ICs for Motor AN6608, AN6609N, AN6609NS DC Motor Forward/Reverse Dual Speed Electronic Governors AN6608, AN6609N Unit : mm 1 2 3 4 5 6 7 8 4.7±0.25 2.54 2.54 1.5±0.1 1.7 0.5±0.1 3.80±0.3 ø 2.1 adjustment • Large starting torque and maximum control torque • Built-in power transistor • Forward/reverse constant speed and double speed + 0.1 0 ~ 6˚ 0.45 – 0.05 7.62±0.25 16-Lead DIP Package with Fin (HDIP016-P-300) AN6609NS Unit : mm 1 24 12 13 0.4 controls, and fast forward, brake, and pause functions available by 3-bit input 0.5±0.1 16 15 14 13 12 11 10 9 17 ■ Features • Operating supply voltage range ; Vcc = 8V to 16V • Stable reference voltage (1.27V) and easy speed 3.05±0.25 1.06±0.25 1.2±0.25 6.35±0.3 5.08±0.1 21.6±0.3 The AN6608, the AN6609N and the AN6609NS are the electronic governors which incorporate the forward /reverse rotation and double speed controls of the DC motors used for radio/cassette tape recorder, and the functions such as fast forward, rewind, brake, and pause. They are also available for controlling the video tape deck mechanisms such as the VCRs and DATs. The AN6608, the AN6609N and the AN6609NS are identical with each other except the operating logic by 3-bit input. 27.4±0.3 ■ Overview (4.6) (0.2) 3.15±0.2 1.45 0.5 1.45 0.1±0.1 (0.05 ~ 0.1) (6.0) 8.4±0.3 11.73±0.3 24-Lead HSOP Package (HSOP024-P-0450) 16.0±0.3 1.27 VCRs, cassette decks, radio/cassette tape recorders, car cassette tape players, tape loading DC motor con trol such as DATs. (7.8) (9.2) ■ Applications ICs for Motor AN6608, AN6609N, AN6609NS ■ Block Diagram AN6608, AN6609N VCC GND 16 15 14 13 12 11 10 9 VREF Drive Mode Switching Logic 1kΩ 10kΩ Comp. 1 2 3 Forward/ Reverse Drive Circuit 4 5 6 Fin 7 8 GND AN6609NS P1 P2 P3 VCC PT 24 23 22 21 20 19 18 17 16 15 14 13 11 12 VREF Forward/ Reverse Drive Circuit Drive Mode Switching Logic Comp. 1 2 3 4 5 6 7 8 9 10 M Note) For motor lock, VCC =13V or less, Motor coil resistance = 8Ω or more, Lock time =1s or less. ICs for Motor AN6608, AN6609N, AN6609NS ■ Absolute Maximum Ratings (Ta= 25˚C) Symbol Rating Supply Voltage Parameter VCC 18 Unit Supply Current ICC 1800 Note 1) Power Dissipation PD V mA AN6608, AN6609N 2 Note 2) W 2.08 Note 3) AN6609NS Operating Ambient Temperature Topr –20 ~ + 70 ˚C Storage Temperature Tstg –50 ~ +150 ˚C Note 1) Note 2) Note 3) t ≤ 200ms Mounting on PCB (20mm × 20mm of copperfoil is used for heat sink) Glass epoxy PCB (50mm × 50mm × 1.2mm) ■ Recommended Operating Range (Ta = 25˚C) Parameter Symbol Range Operating Supply Voltage Range VCC 8V ~ 16V ■ Electrical Characteristics (Ta = 25˚C) Parameter Symbol Condition min. Bias Current at No Load Ibias Reference Voltage Vref VCC=12V Rated Load Start Voltage VCC (s) Supply voltage with which a motor starts rotating NL Rated r.p.m. typ. 1.15 max. 15 mA 1.27 1.4 V 8.75 % 6.5 VCC=12V, N=1600rpm –8.75 Unit 7 VCC=12V V r.p.m. Characteristics on Load Change DNL VCC=8V, IL=55mA ~ 120mA –100 100 rpm r.p.m. Characteristics on Voltage Change DNV VCC=8V ~ 16V, N=1600rpm –22 0 22 rpm Double Speed Forward/Reverse r.p.m. Difference DNLogi –3 0 3 % 2 V Output Saturation Voltage 1 VCC=12V, N=3200rpm Vsat (1) VCC=8V, IO=1A 1.5 V Output Saturation Voltage 2 Vsat (2) VCC=8V, IO=1A r.p.m. Characteristics on Temperature Change DNA VCC=12V, Ta= –10˚C ~ + 60˚C 100 rpm/˚C r.p.m. Drift Characteristics by Time DNT VCC=12V, t=15s ~ 10ms 0.4 % ■ Application Circuit To Mechanism Control P1 P2 47µH P3 L1 R1 C1 – 4.7µF 1.0Ω (3900ppm/˚C) + R2 2.7kΩ VR1 1kB R1 11kΩ 16 15 14 2000 ppm/˚C 13 12 11 10 9 VREF Drive Mode Switching Logic 1kΩ Comp. 1 5kB R4 5.6kΩ 2 3 R5 1.5kΩ 4 C2 0.022µF Forward/ Reverse Drive Circuit 10kΩ AN6608 AN6609N 5 6 + 7 – M Fin 8 VCC ICs for Motor AN6608, AN6609N, AN6609NS ■ Pin Descriptions Pin No. AN6608 AN6609N AN6609NS Pin Name Typ. Waveform Description Input Impedance Equivalent Circuit VCC 1 2 Double Speed Setting Pin to set the double speed r.p.m. 1 TrC VCC 2 4 FF, REW Speed Setting Pin to set the FF/REW r.p.m. 2 TrC VCC 3 5 Speed Control Speed control pin A fixed resistor will do if fine adjustment is unnecessary. TrE 3 VCC 6 Phase Adjustment 5 7 Motor Connection + Pin to connect the motor + side TrE TrC 6 8 Phase Adjustment Phase adjustment pin for oscillation prevention TrC 7 9 GND GND pin for the power section inside the IC TrE 11 Motor Connection – 14 Load Characteristics Setting 4 Phase adjustment pin for oscillation prevention TrE 4 5 6 7 8 8 Pin to connect the motor – side TrE TrC 9 9 Pin to set the load characteristics (S–T curve) of the motor TrC ICs for Motor AN6608, AN6609N, AN6609NS ■ Pin Descriptions (Cont.) Pin No. AN6608 AN6609N AN6609NS 10 17 Pin Name VCC Typ. waveform Description Input Impedance Equivalent Circuit IC power pin 11 11 19 Connect to Pin9 . Ref. Voltage + Output 12 20 GND Reference voltage + output pin when connecting to the pin9. GND pin for the IC bias section TrC 12 VREF VCC 13 13 21 Ref. Voltage – Output 14 23 Logic Input P3 Logic input pin P3 to set the motor control state 60kΩ 15 24 Logic Input P2 Logic input pin P2 to set the motor control state 60kΩ Logic input pin P1 to set the motor control state 60kΩ Reference voltage – output pin TrC 60kΩ 14 40kΩ 60kΩ 15 40kΩ 60kΩ 16 1 Logic Input P1 16 40kΩ ICs for Motor AN6608, AN6609N, AN6609NS ■ Supplementary Explanation • Operating Logic Input Pins Output Pins (AN6608) 14 15 16 5 8 1 2 H H H H L OFF Output Pins (AN6609N) Operating Mode 5 8 1 2 ON FF — — OFF OFF Pause Operating Mode Double speed L H H L H OFF ON REW H L ON OFF H L H H L OFF OFF Constant speed H L OFF OFF Constant speed H H L H H OFF OFF Brake H H OFF OFF Brake L L H H L ON OFF Double speed H L OFF ON FF L H L L H ON OFF Reverse double speed L H ON OFF Reverse double speed H L L L H OFF OFF Reverse constant speed L H OFF OFF Reverse constant speed L L L — — OFF OFF Pause — — OFF OFF Pause * Input level H : 3V or more, Input level L : 0.7V or less For the AN6609NS, the above pin numbers must be replaced. • Characteristics Curve PD – Ta 2.5 Power Dissipation PD (W) 2.0 1.5 (1) AN6609NS (2) 1.0 PD – Ta 2,400 (1) 10mm × 20mm, with Solder Plated Copper Foil, Heat Sink (2) Without Heat Sink Glass epoxy PCB (50 × 50 × 1.2mm) Rthj – a = 60˚C/W PD = 2083mW (25˚C) 2,200 2,083 2,000 Power dissipation PD (mW) AN6608, AN6609N 1,800 1,600 1,420 1,400 1,200 1,000 800 Without PCB Rthj – a = 88˚C/W PD = 1420mW (25˚C) 600 0.5 400 200 0 –20 0 20 40 60 80 100 120 140 160 Ambient Temperature Ta (˚C) 0 0 25 50 75 100 125 Ambient Temperature Ta (˚C) 150