HA13557AFH Combo (Spindle & VCM) Driver ADE-207-234A (Z) 2nd. Edition July 1997 Description This COMBO Driver for HDD application consists of Sensorless Spindle Driver and BTL type VCM Driver. Bipolar Process is applied and a “Soft Switching Circuit” for less commutation noise and a “Booster Circuit” for smaller Saturation Voltage of Output Transistor are also implemented. Features • • • • Soft Switching Driver Small Surface Mount Package: FP-48T (QFP48 Pin) Low thermal resistance: 30°C/W with 4 layer multi glass-epoxy board Low output saturation voltage Spindle 1.44 V Typ (@1.8 A) VCM 1.0 V Typ (@1.0 A) Functions • • • • • • • • • • 2.2 A Max/3-phase motor driver 1.5 A Max BTL VCM Driver Auto retract Soft Switching Matrix Start up circuit Booster Speed Discriminator Internal Protector (OTSD, LVI) POR Power monitor HA13557AFH TAB 48 47 46 45 44 43 VBST VCMP VCMN BC2 BC1 GND GND OPIN(–) VCTL OPIN(+) RESINH VREF1 RS RETON RETPOW Vpsv LVI2 GND Pin Arrangement 42 41 40 39 38 37 1 36 COMPOUT 2 35 NC* 3 34 NC* 4 33 GAIN 5 32 VCMENAB 6 31 GND TAB TAB 7 30 GND 8 29 POR 9 28 SPNENAB 10 27 READY 11 26 CLOCK 12 25 CNTSEL U C-PUMP CLREF R1 Vpss GND 13 14 15 16 17 18 19 20 21 22 23 24 TAB GND VSS LVI1 DELAY COMM POLSEL GND W RNF PCOMP CT V *NC : No internal connection Please note that there is no isolation check between pin 34 and pin 35 at the testing of this IC. (Top View) 2 HA13557AFH Pin Description Pin Number Pin Name Function 1 VBST Boosted voltage output to realize the low output saturation voltage 2 VCMP Output terminal on VCM driver 3 VCMN Output terminal on VCM driver 4 BC2 To be attached the external capacitor for booster circuitry 5 BC1 ditto 6, TAB, 7 GND Ground pins 8 W W phase output terminal on spindle motor driver 9 RNF Sensing input for output current on spindle motor driver 10 PCOMP To be attached the external capacitor for phase compensation of spindle motor driver 11 CT To be attached the center tap of the spindle motor for B-EMF sensing 12 V V phase output terminal on spindle motor driver 13 U U phase output terminal on spindle motor driver 14 C-PUMP To be attached the external integral constants for speed control of spindle motor 15 CLREF Reference voltage input for current limiter of spindle motor driver 16 R1 To be attached the external resistor for setting up the oscillation frequency of start-up circuitry and the gain of speed control loop of spindle motor driver 17 Vpss Power supply for spindle motor driver 18, TAB, 19 GND Ground pins 20 VSS Power supply for small signal block 21 LVI1 Sensing input for power monitor circuitry 22 DELAY To be attached the external capacitor to generate the delay time for power on reset signal 23 COMM To be attached the external capacitor for setting up the oscillation frequency 24 POLSEL To be selected the input status corresponding to the pole number of spindle motor 25 CNTSEL To select the count Number of Speed Discriminator 26 CLOCK Master clock input for this IC 27 READY Output of speed lock detector for spindle motor 28 SPNENAB To select the status of spindle motor driver 29 POR Output of power on reset signal for HDD system 30, TAB, 31 GND Ground pins 32 VCMENAB To select the status of VCM driver 33 GAIN To select the Transfer conductance gm of VCM driver 3 HA13557AFH Pin Description (cont) Pin Number Pin Name Function 34 NC No function 35 NC No function 36 COMPOUT Comparator output to detect the direction of output current on VCM driver 37 VREF1 Regulated voltage output to be used as reference of peripheral ICs 38 RESINH Used for inhibiting the restart function of the spindle motor driver after power down 39 OPIN (+) Non inverted input of OP.Amp. to be used for filtering the signal on PWMOUT 40 VCTL OP.Amp. output, this signal is used as control signal for VCM driver output 41 OPIN (–) Inverted input of OP.Amp. to be used for filtering the signal on PWMOUT 42, TAB, 43 GND Ground pins 44 LVI2 Sensing input for power monitor circuitry 45 Vpsv Power supply for VCM driver 46 RETPOW Power supply for retract circuitry 47 RETON To be attached the base terminal of external transistor for retracting 48 RS Sensing input for output current on VCM driver 4 HA13557AFH Block Diagram Vps(+12V) VSS (+5V) VSS C102 Vpss 20 C101 17 11 SOFT SWITCHING MATRIX B-EMF AMP. VBST D2 START-UP CIRCUIT C-PUMP COMMUTATION LOGIC 12 8 W 14 C2 13 U SPINDLE DRIVER V RESINH 38 C103 COMM 23 CT C1 CLREF 15 CHARGE PUMP R1 R1b 16 R1a 28 SPNENAB POLSEL 24 RETPOW 1/32 SPEED READY – + VBST OPAMP. LVI1 21 44 Vss (+5V) R101 R102 R103 R104 W RNF C110 C111 45 46 C109 R112 47 R113 Qret1 C112 R109 R111 R110 D1 RS 3 CX RX RL POR Delay 22 Vps (+12V) RS COMP 36 OUT COMPARATOR Vps LVI2 D4 48 POWER MONITOR BOOSTER V Qret2 OTSD Vss D3 VCMP 2 – + VBST 10 VCMN Vref1 (=4.6V) NC 34 NC 35 RETRACT DRIVER RETON P + VCM DRIVER N – Vref1 37 GAIN 33 VCM ENAB 32 BC1 5 C104 4 BC2 1 C105 VBST PCOMP SPEED DISCRI. (CNT) READY 27 VCTL 40 OPIN(–) 41 OPIN(+) 39 CURRENT CONTROL Vpsv (D1) CLOCK 26 (5MHz Typ) CNTSEL 25 9 U DELAY C106 GND TAB 6, 7, 18, 19, 30, 31, 42, 43 R105 Vss(+5V) 29 POR (L:RESET) 5 HA13557AFH Truth Table Table 1 Truth Table (1) SPNENAB Spindle Driver H ON Open Cut off L Braking Table 2 Truth Table (2) VCMENAB VCM Driver H ON L Cut off Table 3 Truth Table (3) OTSD Spindle Driver VCM Driver Retract Driver POR not Active See table 1 See table 2 Cut off X Active Cut off Cut off ON L Table 4 Truth Table (4) POLSEL (D1) Comment H — Test Mode Open 1/12 for 8 poles motor L 1/18 for 12 poles motor CNTSEL CNT Rotation Speed (at CLOCK = 5 MHz) H 2605 3,600 rpm Open 2084 4,500 rpm L 1736 5,400 rpm Table 5 6 Truth Table (5) HA13557AFH Table 6 Truth Table (6) RESINH Spindle Driver H Inhibiting the restart after power down L Not inhibiting the restart after power down Table 7 Truth Table (7) GAIN VCM Driver H High Gain Mode L Low Gain Mode 7 HA13557AFH Timing Chart 1. Power on reset (1) Vhys Vsd Vps and VSS t POR tDLY 1.0V MAX 0 Note: 8 1. t How to determine the threshold voltage Vsd and the delay time t DLY both are shown in the external components table. HA13557AFH 2. Power on reset (2) VPS or VSS tpor ,,,, ,, ,, ,,,, tpor POR <1µs ON Spindle Driver OFF ON VCM Driver OFF Retract Driver Note: 2. <1µs Retract Retract driver need B-EMF voltage or another power supply. 9 HA13557AFH ,,,, ,, 3. Motor start-up seaquence (a) Timing chart of start-up seaquence SPNENAB Open No+∆No*1 No Rotation Speed Synchronous Driving No–∆No*1 Driving by B-EMF sensing 0 Internal READY READY (Pin 27) Switching tdelay*2 Soft Switching*3 Note *1. Speed lock detection range ∆No is as follows. ∆No =1.2% when CNTSEL=H =1.5% when CNTSEL=Open =1.8% when CNTSEL=L *2. READY output goes to High, if the rotation speed error keeps to be less than ∆No longer time than tdelay. 250 • 107 tdelay= [ms] fclk [Hz] t *3. The turning point of driving mode from switching synchronize to the turning point of READY output from Low to High. (b) Retry circuitry for misstart-up Motor on Synchronous driving (not stop) (Motor stop) (Motor off) ,, ,, Driving by B-EMF sensing Motor stop detector The HA13557FH has the motor stop detector as shown hatching block. This function is monitoring the situation of the motor while the motor is running by B-EMF sensing. If the motor will be caused a misstarting up, the motor will be automatically restarted within 200 ms after the motor stopped. This function increase the reliability for the motor starting up. 10 HA13557AFH 4. Braking & Shut down the Spindle Driver ,, ,, Open Open SPNENAB ON Note: > 20µs CUT OFF BRAKING CUT OFF The SPNENAB should be selected the open state after braking to reduce the supply current from Vps and V SS . , 5. Start-up of the Spindle motor Open SPNENAB COMM tCOMM (see External Components Table) Vth1 Vth2 GND IU SOURCE 0 SINK IV SOURCE 0 SINK SOURCE IW 0 16TCOMM 16TCOMM 14TCOMM 12TCOMM 10TCOMM 8TCOMM 6TCOMM 4TCOMM 4TCOMM 4TCOMM 4TCOMM 4TCOMM 2TCOMM SINK Driving by B-EMF sensing Synchronous Driving for motor start up not detecting the B-EMF detecting the B-EMF 11 HA13557AFH 6. Acceleration and Running the spindle motor + UBEMF 0 – + VBEMF 0 – + WBEMF 0 – (1) Acceleration(switching mode) SOURCE Iu 0 SINK SOURCE Iv 0 SINK SOURCE Iw 0 SINK (2) Running (soft switching mode) SOURCE Iu 0 SINK SOURCE 0 SINK SOURCE Iw 0 SINK Iv 12 HA13557AFH Application VPS (+12V) 5 BC1 Vpss 17 C104 C101 4 BC2 C105 CT 11 1 VBST D2 C103 23 COMM U 13 15 CLREF R1b R1a 16 R1 C2 HA13557AFH R2 14 C-PUMP V 12 D3 C1 24 POLSEL 25 CNTSEL W 8 D4 RNF 9 RNF C110 27 READY 26 CLOCK 28 SPNENAB 32 VCMENAB PCOMP 10 C111 Vpsv 45 C109 R103 33 GAIN 38 RESINH RETPOW 46 R113 R112 Qret1 RETON 47 PWMIN R5 R8 R7 37 VREF1 Qret2 41 OPIN(–) C102 R105 R111 VCMN 3 C4 CX 36 COMPOUT VSS (+5V) D1 40 VCTL 39 OPIN(+) R4 C112 RS R6 C3 R101 R109 R110 VCMP 2 C5 R3 R104 Qret3 20 VSS RX RL RS 48 LVl2 44 29 POR R102 LVl1 21 22 DELAY GND 6 7 18 19 30 31 42 43 TAB C106 13 HA13557AFH External Components Parts No. Recommended Value Purpose Note R1a (R1a + R1b) ≥ 10 kΩ V/I converter 1, 4, 6 R1b (R1a + R1b) ≥ 10 kΩ R2 — Integral constant 3 R3 to R8 — PWM filter 9 R101, R102 — Setting of LVI1 voltage 7 R103, R104 — Setting of LVI2 voltage 7 R105 5.6 kΩ Pull up R109, R110 (R109 + R110) ≥ 10 kΩ Retout voltage adjust R111, R112, R113 — Retract Driver RS 1.0 Ω Current sensing for VCM Driver 10 Rnf — Current sensing for Spindle Driver 1 RX — Reduction for gain peaking 11 C1, C2 — Integral constant 3 C3 to C6 — PWM filter 9 CX — Reduction for gain peaking 11 C101 ≥ 0.1 µF Power supply by passing C102 ≥ 0.1 µF Power supply by passing C103 — Oscillation for start-up C104 0.22 µF for booster C105 2.2 µF for booster C106 ≤ 0.33 µF Delay for POR C109 ≥ 0.1 µF Power supply by passing C110, C111 0.22 µF Phase compensation C112 — Phase compensation for Retract Qret1, Qret2, Qret3 — Retract Driver D1 TBD Prevent of counter current D2, D3, D4 Si • Diode for rectification 14 6 8 12 HA13557AFH Notes: 1. Output maximum current on spindle motor driver Ispnmax is determined by following equation. R1b V Ispnmax = • R1 [A] R1a + R1b RNF (1) where, V R1: Reference Voltage on Pin 16 [V] (= 1.17) 2. Input clock frequency fclk on pin 26 is determined by following equation. 4 [Hz] fclk = • NO • P • D1 • (CNT – 0.5) 5 (2) where, NO: Standard rotation speed [rpm] P: Number of pole D1: Dividing ratio on divider 1 D1 = 1/12 (when Pin 24 = Open) for 8 pole motor = 1/18 (when Pin 24 = Low) for 12 pole motor CNT:Count number on speed discriminator CNT = 2605 (when Pin 25 = High) = 2084 (when Pin 25 = Open) = 1736 (when Pin 25 = Low) 3. Integral constants R2, C1 and C2 can be designed as follows. 1 NO ωO = •2•π• [rad/s] 10 60 (3) R2 = C1 = 1 Rnf • J • ωO • NO • (R1a + R1b) • 9.55 VR1 • KT • Gctl 1 10 • ωO • R2 C2 = 10 • C1 [Ω] (4) [F] (5) [F] (6) where, J: Moment of inertia [kg•cm•s2] KT: Torque constant [kg•cm/A] Gctl: Current control amp gain from pin 14 to pin 9 (= 0.794) 4. It is notice that rotation speed error Nerror is caused by leak current Icer2 on pin 14 and this error depend on R1a and R1b as following equation. (R1a + R1b) Nerror = Icer2 • • 100 [%] VR1 (7) where, Icer2: Ieak current on pin 14 [A] 5. Oscillation period tCOMM on pin 23 which period determine the start up characteristics, is should be chosen as following equation. J J 1 1 tCOMM = • to • [s] P • KT • Ispnmax P • KT • Ispnmax 8 4 (8) 15 HA13557AFH 6. The capacitor C103 on pin 23 can be determined by tCOMM and following equation. 1 VR1 tCOMM C103 = • • [F] VthH – VthL R1a + R1b 4 (9) where, Vth H : Threshold voltage on start up circuit [V] (= 2.0) Vth L: Threshold voltage on start up circuit [V] (= 0.5) 7. LVI operatig voltage Vsd1, Vsd2 and its hysteresis voltage Vhys1, Vhys2 can be determined by following equations. for VSS Vsd1 = 1 + R101 • Vth4 R102 R101 R102 Vhys1 = 1 + • Vhyspm [V] (10) [V] (11) for Vps Vsd2 = 1 + R103 • Vth3 R104 Vhys2 = 1 + R103 R104 • Vhyspm [V] (12) [V] where, Vth3, Vth4: Threshold voltage on pin 21 and pin 44 [V] (= 1.39) Vhyspm: Hysteresis voltage on pin 21 and pin 44 [mV] (= 40) Shut down voltage Vsd1, Vsd2 can be designed by the following range. Vsd1 ≥ 4.25 [V], Vsd2 ≥ 10 [V] 8. The delay time tDLY of POR for power on reset is determined as follows. C106 • Vth5 tDLY = [s] ICH3 (13) (14) where, Vth5: Threshold voltage on pin 22 [V] (= 1.4) I CH3: Charge current on pin 22 [µA] (= 6) 9. The differential voltage (Vctl – V REF1) using for control of VCM driver depend on PWMDAC input PWMIN as follows. D – 50 R6 Vctl – VREF1 = 2 • VREF1 • PWM • • HFLT(s) 100 R5 (15) where, DPWM: HFLT(S): Duty cycle on PWMIN [%] Normalized transfer function from PWMIN to pin 40 (Vctl) as shown in equation (17) To be satisfied with above equation (15), it is notice that the ratio of R6 to R7 must be choosen as shown below. R8 R6 1 =2• • R7 R5 1 – R6 R5 (16) 16 HA13557AFH HFLT(s) 1 = 1 + s • C5 • R// – C3 • (R// + R3) • R6 + C4 • (R// + R3 + R4) R5 2 + s • C5 • C4 • R// • (R3 + R4) – C5 • C3 • R// • R3 • R6 + C3 • C4 • R4 • (R// + R3) R5 + s3 • C3 • C4 • C5 • R// • R3 • R4 (17) R// = where, R7 • R8 R7 + R8 (18) If you choose the R// << R3, then equation (17) can be simplified as following equation. 1 1 HFLT(s) = • 2 1+ s 1 +2 • ζ • s + s ωO ωn ωn (19) where, ωO = 1 C5 • R// ωn = ζ= (20) 1 C3 • C4 • R3 • R4 (21) R6 C4 • (R3 + R4) – C3 • R3 • R5 2 • C3 • C4 • R3 • R4 (22) 10. The relationship between the output current Ivcm and the input voltage (Vctl – V REF1) on VCM driver is as follows. Ivcm(s) = Vctl – VREF1 • Kvcm • 1 • Hvcm(s) Rs Input control voltage for VCM driver on pin 40 [V] Reference voltage on pin 37 [V] (= 4.6) DC gain of VCM driver (= 1.74 for High gain mode) (= 0.44 for Low gain mode) Hvcm(s): Transfer function of VCM driver as shown following equation 1 Hvcm(s) = s s 2 1 + 2 • ζVCM • ω + ω VCM VCM (23) where, Vctl: VREF1: Kvcm: (24) where, ωVCM = ωP • Rs Lm (25) 17 HA13557AFH ζVCM = 1 2 • 1+ RL Rs • 1 ωP • Rs Lm (26) where, ωp: Bandwidth of internal power amplifiers for VCM driver [rad/s] (= 3•π•106) Lm: Inductance of the VCM coil [H] RL: Resistance of the VCM coil [Ω] and from above equations the -3 dB bandwidth f VCMC of VCM driver is as following equation. fVCMC = ωVCM 2•π • 1 – 2 • ζVCM2 + 2 • ζVCM2 – 1 2 +1 (27) 11. The frequency response of VCM driver maybe have a gain peaking because of the resonation of the motor coil impedance. If you want to tune up for this characteristics, you can reduce the peaking by additional snubber circuit R X and CX as follows. BTL Driver + – N R3 RX CX Coil RS 1/2 VPS RS R3 – + P Figure 1 VCM Driver Block Diagram 20 10 Normal IO 0 (dB) –10 CX = 0.22µF RX = 560Ω –20 100 1k 10k Frequency (Hz) (for example) RL = 14.7 Ω, RS = 1 Ω, L = 1.7 mH, Gain = L 18 100k HA13557AFH 12. The Qret3 collector voltage Vret is determined by R109 R109 Vret = VRT ( + 1) (Vretpow ≥ VRT ( + 1)) R110 R110 . Vret – VF(D1) – VsatVL Iret =. RL + Rs where, Vretpow: VRT : VF (D1): VsatVL: (28) Applied voltage on pin 46 [V] Reference voltage of Retract (toward voltage of Qret2) [V] Foward voltage of D1 [V] Saturation voltage on pin 3 at retracting [V] (See electrical characteristics) 19 HA13557AFH Absolute Maximum Ratings (Ta = 25°C) Item Symbol Rating Unit Notes Power supply voltage Vps +15 V 1 Signal supply voltage VSS +7 V 2 Input voltage VIN VSS V 3 Output current-Spindle Iospn (Peak) 2.2 A Iospn (DC) 1.8 A Iovcm (Peak) 1.5 A Iovcm (DC) 1.0 A Power dissipation PT 5 W 4 Junction temperature Tj +150 °C 5, 6 Storage temperature Tstg –55 to +125 °C Output current-VCM Notes: 1. 2. 3. 4. 5. Operating voltage range is 10.2 V to 13.8 V. Operating voltage range is 4.25 V to 5.75 V. Applied to Pin 24, 25, 26, 28, 32, 33 and pin 38 Operating junction temperature range is Tjop = 0°C to +125°C. ASO of upper and lower power transistor are shown below. Operating locus must be within the ASO. 6. The OTSD (Over Temperature Shut Down) function is built in this IC to avoid same damages by over heat of this chip. However, please note that if the junction temperature of this IC becomes higher than the operating maximum junction temperature (Tjopmax = 125°C), the reliability of this IC often goes down. 7. Thermal resistance: θj-a ≤ 30°C/W with 4 layer multi glass-epoxy board 10 t=10ms t=50ms t=100ms IC (A) 2.2 1 0.1 1 15 10 VCE (V) 100 Figure 2 ASO of Output Stages (Spindle) 20 HA13557AFH IC (A) 10 t=10ms t=50ms t=100ms 1.5 1 0.1 1 15 10 VCE (V) 100 Figure 3 ASO of Output Stages (VCM) 21 HA13557AFH Electrical Characteristics (Ta = 25°C, Vps = 12 V, VSS = 5 V) Item Applicable Pins Note Symbol Min Typ Max Unit Test Conditions I SS0 — 5.8 7.0 mA SPNENAB = Open 20 VCMENAB = L I SS1 — 21 27 mA SPNENAB = H VCMENAB = H Ips0 — 1.7 2.2 mA SPNENAB = Open 17, 45 VCMENAB = L Ips1 — 19 24 mA SPNENAB = H VCMENAB = H — — 0.8 V 2.0 — — V Input low current I IL1 — — ±10 µA Input = GND Input high current I IH1 — — ±10 µA Input = 5.0 V Logic input 2 Input low voltage VIL2 (CLOCK) — — 0.8 V 3.5 — — V Input low current I IL2 — –180 –260 µA Input = GND Input high current I IH2 — 230 330 µA Input = 5.0 V Logic input 3 Input low voltage VIL3 (VCMENAB) — — 0.8 V 2.0 — — V Input low current I IL3 — — ±10 µA Input = GND Input high current I IH3 — — 330 µA Input = 5.0 V Logic input 4 Input low voltage VIL4 (SPNENB) — — 1.0 V Supply current for VSS for Vps Logic input 1 Input low voltage VIL1 (GAIN) (RESINH) Input high voltage Input high voltage Input high voltage 22 VIH1 VIH2 VIH3 Input middle voltage VIM4 2.0 — 3.1 V Input high voltage VIH4 3.9 — — V 20 17, 45 33, 38 26 32 28 HA13557AFH Electrical Characteristics (Ta = 25°C, Vps = 12 V, VSS = 5 V) (cont) Item Logic input 4 Input low current I IL4 (SPNENB) Max Unit Test Conditions Applicable Pins Note –75 –105 –150 µA Input = GND 28 Input = 5.0V Input high current I IH4 75 105 150 µA Input dead current I DEAD ±10 — — µA — — 1.0 V Logic input 5 Input low voltage VIL5 (POLSEL) (CONTSEL) Spindle driver Typ Symbol Min 24, 25 Input middle voltage VIM5 2.0 — 3.1 V Input high voltage VIH5 3.9 — — V Input low current I IL5 –38 –53 –75 µA Input = GND Input high current 38 53 75 µA Input = 5.0V 1.44 2.0 V Ispn = 1.8A — — 0.75 V Ispn = 0.6A I IH5 Total saturation Vsatspn — voltage 8, 12, 13 Saturation at braking Vbreak — — 0.7 V Ibreak = 0.6A Leak current Icer1 — — ±2.0 mA SPNENAB=Open Current limiter reference voltage VOCL 430 480 530 mV VCLREF = 500mV RNF = 1.0Ω 9 Control amp gain Gctl — –2 ±2 dB RNF = 1.0Ω 9, 14 Clamp diode forward voltage Vdf 1.6 1.9 2.2 V Idf = 0.5A 8, 12, 13 B-EMF amp. Input sensitivity Vmin 60 90 125 mVp-p Charge pump Reference voltage VR1 1.06 1.17 1.28 V R1a+R1b = 24kΩ Charge current I CH1 40 45 50 µA C – PUMP = 1.0V Discharge current I DIS1 –40 –45 –50 µA Leak current Icer2 — — ±50 nA 8, 12, 13 1 14, 16 23 HA13557AFH Electrical Characteristics (Ta = 25°C, Vps = 12 V, VSS = 5 V) (cont) Symbol Min Typ Max Unit Speed discri Operating frequency fclk — — 8.0 MHz 26 Start up circuit Vth H 1.6 1.8 2.0 V 16, 23 Vth L 0.3 0.5 0.7 V Charge current I CH2 21 23 26 µA R1a + R1b = 24 kΩ Discharge current I DIS2 –19 –22 –25 µA COMM = 1 V Output high voltage Vohr VSS – 0.4 — VSS V I O = –1 mA Output low voltage Volr — — 0.4 V I O = 1 mA Total saturation Vsatvcm — voltage 1.0 1.38 V Ivcm = 1.0 A — 0.5 0.69 V Ivcm = 0.5 A READY VCM driver Threshold voltage 27 2, 3 Output leak current Icer3 — — ±2.0 mA Vce = 15 V Total output offset voltage Voff(H) — — ±20 mV VCTL = OP (–) VREF = OP (+) 2, 48 Voff(L) — — ±10 mV Output quiescent voltage Vqvcm 5.6 6.0 6.4 V RL = 14 Ω, RS = 1.0 Ω 2, 3 Total gain bandwidth B — 26 — kHz RS = 1.0 Ω, RL = 28 Ω 2, 3 — 50 — kHz RS = 1.0 Ω, RL = 14 Ω gm (H) — 1.74 ±5% A/V Higain-mode RS = 1.0 Ω, RL = 14 Ω gm (L) — 0.44 ±5% A/V Logain-mode RS = 1.0 Ω, RL = 14 Ω Transfer gain 24 Test Conditions Applicable Pins Note Item 2, 34, 48 1 HA13557AFH Electrical Characteristics (Ta = 25°C, Vps = 12 V, VSS = 5 V) (cont) Typ Max Unit Test Conditions Applicable Pins Note Retpow voltage Vretpow 0.8 — — V Ireton = 0.1 mA 46 Retout sink current Ireton 5 8 — mA Vretpow = 4.0 V Output leak current Icer4 — — ±10 µA Vreton = 15 V, Vretpow = 15 V 37 Low side saturation voltage VsatVL 0.2 0.33 0.45 V Iret = 0.1 A 3 Input current Iinop — — ±500 nA Input offset voltage Vosop — — (±7) mV Common mode input voltage range Vcmop 0 — Vps V – 0.2 Output high voltage Vohop Vps – 1.3 — — V Iout = 1.0 mA Output low voltage Volop — — 1.1 V Iout = 1.0 mA Vmin2 ±9 0 — mV Output low voltage Volcp — — 0.4 V I O = 1 mA Output high voltage Vohcp VSS – 1.8 — VSS V I O = 1 mA Output voltage Vref1 — 4.0 ±3% V I O = 20 mA Output resistance Ro1 — — 5.0 Ω I O = 20 mA Threshold voltage Vth3 –2% 1.39 +3% V VSS = 5 V Hysteresis Vhyspm1 25 40 55 mV VSS = 5 V Threshold voltage Vth4 1.38 +3% V VSS = 4 V Hysteresis Vhyspm2 25 40 55 mV VSS = 4 V Item Retract driver OP Amp Symbol Comparator Input sensitivity Vref1 Power monitor Min –2% 39, 41 1 40 2, 3, 36 1 36 37 44 2 21 2 25 HA13557AFH Electrical Characteristics (Ta = 25°C, Vps = 12 V, VSS = 5 V) (cont) Item POR OTSD Symbol Min Typ Max Unit Test Conditions Applicable Pins Note 29 VOL2 — — 0.4 V I O = 1 mA VOL3 — — 0.4 V I O = 1 mA VSS = Vps = 1.0 V Output leak current Icer5 — — ±10 µA Vpor = 7 V Threshold voltage Vth5 — 1.4 ±5% V Charge current I CH3 — 6 ±25% µA Discharge current I DIS3 40 — — mA Operating temperature Tsd 125 150 — °C 1 Hysteresis Thys — 25 — °C 1 Output low voltage 22 Threshold voltage Vth3, Vth4 (V) Notes: 1. Design guide only. 2. Variations of threshold voltage Vth3 and Vth4 depending on the power supply VSS are shown in figure 4. 1.42 1.41 1.40 Test condition of Vth3 1.39 1.38 1.37 Test condition of Vth4 1.36 1.35 1.34 1.33 3.8 4.0 4.2 4.4 4.6 4.8 5.0 5.2 5.4 5.6 5.8 6.0 Power supply VSS (V) Figure 4 26 HA13557AFH Package Dimensions Unit: mm 17.2 ± 0.2 36 0.65 14 25 13 1 12 2.425 2.425 4.85 17.2 ± 0.2 48 2.925 2.925 24 37 0.1 0.1 ± 0.1 0.825 0.17 ± 0.05 0.13 M 2.7 0.3 ± 0.05 3.05 Max 4.85 2.925 2.925 1.6 0 – 10° 0.825 Hitachi code EIAJ code JEDEC code 0.8 ± 0.3 FP-48T — — 27 Cautions 1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent, copyright, trademark, or other intellectual property rights for information contained in this document. Hitachi bears no responsibility for problems that may arise with third party’s rights, including intellectual property rights, in connection with use of the information contained in this document. 2. Products and product specifications may be subject to change without notice. Confirm that you have received the latest product standards or specifications before final design, purchase or use. 3. Hitachi makes every attempt to ensure that its products are of high quality and reliability. However, contact Hitachi’s sales office before using the product in an application that demands especially high quality and reliability or where its failure or malfunction may directly threaten human life or cause risk of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation, traffic, safety equipment or medical equipment for life support. 4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly for maximum rating, operating supply voltage range, heat radiation characteristics, installation conditions and other characteristics. Hitachi bears no responsibility for failure or damage when used beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable failure rates or failure modes in semiconductor devices and employ systemic measures such as failsafes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other consequential damage due to operation of the Hitachi product. 5. This product is not designed to be radiation resistant. 6. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written approval from Hitachi. 7. Contact Hitachi’s sales office for any questions regarding this document or Hitachi semiconductor products. Hitachi, Ltd. Semiconductor & Integrated Circuits. Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan Tel: Tokyo (03) 3270-2111 Fax: (03) 3270-5109 URL NorthAmerica : http:semiconductor.hitachi.com/ Europe : http://www.hitachi-eu.com/hel/ecg Asia (Singapore) : http://www.has.hitachi.com.sg/grp3/sicd/index.htm Asia (Taiwan) : http://www.hitachi.com.tw/E/Product/SICD_Frame.htm Asia (HongKong) : http://www.hitachi.com.hk/eng/bo/grp3/index.htm Japan : http://www.hitachi.co.jp/Sicd/indx.htm For further information write to: Hitachi Semiconductor (America) Inc. 179 East Tasman Drive, San Jose,CA 95134 Tel: <1> (408) 433-1990 Fax: <1>(408) 433-0223 Hitachi Europe GmbH Electronic components Group Dornacher Stra§e 3 D-85622 Feldkirchen, Munich Germany Tel: <49> (89) 9 9180-0 Fax: <49> (89) 9 29 30 00 Hitachi Europe Ltd. Electronic Components Group. Whitebrook Park Lower Cookham Road Maidenhead Berkshire SL6 8YA, United Kingdom Tel: <44> (1628) 585000 Fax: <44> (1628) 778322 Hitachi Asia Pte. Ltd. 16 Collyer Quay #20-00 Hitachi Tower Singapore 049318 Tel: 535-2100 Fax: 535-1533 Hitachi Asia Ltd. Taipei Branch Office 3F, Hung Kuo Building. No.167, Tun-Hwa North Road, Taipei (105) Tel: <886> (2) 2718-3666 Fax: <886> (2) 2718-8180 Hitachi Asia (Hong Kong) Ltd. Group III (Electronic Components) 7/F., North Tower, World Finance Centre, Harbour City, Canton Road, Tsim Sha Tsui, Kowloon, Hong Kong Tel: <852> (2) 735 9218 Fax: <852> (2) 730 0281 Telex: 40815 HITEC HX Copyright ' Hitachi, Ltd., 1999. All rights reserved. Printed in Japan.