Ordering number : ENA1385A Bi-CMOS IC LV8400V Forward/Reverse Motor Driver Overview The LV8400V is a 1-channel motor driver IC using D-MOS FET for output stage and operates in one of the four modes under program control: forward, reverse, brake, and standby. As the P/N-channel structure is used in the H-bridge output stage, the LV8400V features minimal number of external component and low on-resistance (0.33Ω typical). This IC is optimal for driving motors that need large-current. Functions • 1-channel forward/reverse motor driver • Low power consumption • Low output ON resistance 0.33Ω • Built-in constant current output circuit • Built-in low voltage reset and thermal shutdown circuit • Four mode function forward/reverse, brake, standby. Specifications Maximum Ratings at Ta = 25°C, SGND = PGND = 0V Parameter Symbol Power supply voltage (for load) VM max Power supply voltage (for control) VCC max Output current IO max IO peak1 Conditions Ratings Unit -0.5 to 16.0 V -0.5 to 6.0 V DC 1.2 A t ≤ 100ms, f = 5Hz 2.0 A IO peak2 t ≤ 10ms, f = 5Hz 3.8 A IOUT max DC 30 mA Input voltage VIN max -0.5 to VCC+0.5 Allowable power dissipation Pd max Operating temperature Topr -20 to +85 °C Storage temperature Tstg -55 to +150 °C Mounted on a specified board * 800 V mW * Specified board : 30mm × 50mm × 1.6mm, glass epoxy board. Caution 1) Absolute maximum ratings represent the value which cannot be exceeded for any length of time. Caution 2) Even when the device is used within the range of absolute maximum ratings, as a result of continuous usage under high temperature, high current, high voltage, or drastic temperature change, the reliability of the IC may be degraded. Please contact us for the further details. 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N3011 SY/D2408 MS 20081204-S00004 No.A1385-1/6 LV8400V Allowable Operating Conditions at Ta = 25°C, SGND = PGND = 0V Parameter Symbol Conditions Ratings Unit Power supply voltage (for load) VM 4.0 to 15.0 Power supply voltage (for control) VCC 2.7 to 5.5 V Input signal voltage VIN 0 to VCC V Input signal frequency f max Duty = 50% 200 V kHz Electrical Characteristics Ta = 25°C, VCC = 5.0V, VM = 12.0V, SGND = PGND = 0V, unless otherwise specified. Ratings Parameter Symbol Conditions Remarks Unit min typ max Standby load current drain 1 IMO1 EN = 0V 1 1.0 μA Standby load current drain 2 IMO2 EN = 0V, VCC = 0V, Each input pin = 0V 1 1.0 μA Standby control current drain ICO EN = 0V, IN1 = IN2 = 0V 2 1.0 μA Operating load current drain 1 IM1 VCC = 3.3V, EN = 3.3V 3 0.35 0.70 mA Operating load current drain 2 IM2 VCC = 5.0V, EN = 5.0V 3 0.35 0.70 mA Operating current consumption 1 IC1 VCC = 3.3V, EN = 3.3V 4 0.6 1.2 mA Operating current consumption 2 IC2 VCC = 5.0V, EN = 5.0V 4 1.6 mA High-level input voltage VIH 2.7 ≤ VCC ≤ 5.5V 0.6×VCC VCC V Low-level input voltage VIL 2.7 ≤ VCC ≤ 5.5V 0 0.2×VCC V High-level input current IIH VIN = 5V 5 12.5 50 μA IIL VIN = 0V 5 -1.0 0.8 25 (EN,IN1, IN2, ICTRL) Low-level input current μA (EN,IN1, IN2, ICTRL) Pull-down resistance value RDN 100 200 400 kΩ 0.33 0.5 Ω 1.0 μA (EN,IN1, IN2, ICTRL) Output ON resistance RON Sum of top and bottom sides ON 6 resistance. 2.7V ≤ VCC ≤ 5.5V Constant current output leakage IOLEAK EN = 0V 7 Output constant current IOUT RSET = 40Ω, Internal reference = 0.2V 8 4.65 5.00 5.35 mA ISET pin voltage VISET RSET = 40Ω 9 0.186 0.20 0.214 V Constant current output ON RONIO RSET = 0Ω, IO = 5mA 10 20 30 Ω VCS VCC voltage 11 2.10 2.25 2.40 V Thermal shutdown temperature Tth Design guarantee * 12 150 180 210 °C Output block Turn-on time TPLH 13 0.5 1.0 μs Turn-off time TPHL 13 0.5 1.0 μs current resistance Low-voltage detection voltage * Design guarantee value and no measurement is performed. Remarks 1. Current consumption when output at the VM pin is off. 2. Current consumption at the VCC pin when in all function stop. 3. Current consumption at the VM pin when EN is high. 4. Current consumption at the VCC pin when EN is high. 5. These input pins (EN, IN1, IN2, and ICTRL) have an internal pull-down resistor. 6. Sum of the top and bottom side output on resistance. 7. Leakage current when the constant current output is off. 8. Current value that is determined by dividing the internal reference voltage (0.2V) by RSET. 9. ISET pin voltage when the constant current output block is active. 10. ON resistance value of the constant current output block. 11. All output transistors are turned off if a low-voltage is detected. 12. All output transistors are turned off if the thermal protection circuit is activated. They are turned on again as the temperature goes down. 13. Rising time from 10 to 90% and falling time from 90 to 10% are specified. No.A1385-2/6 LV8400V Package Dimensions unit : mm (typ) 3178B 5.2 Allowable power dissipation, Pd max -- W 0.5 6.4 9 4.4 16 1 8 0.65 0.15 0.22 1.5max (0.33) Pd max -- Ta 1.0 Specified board: 30×50×1.6mm3 glass epoxy board. 0.8 0.6 0.42 0.4 0.2 (1.3) 0 -20 0 20 40 60 80 85 100 0.1 Ambient temperature, Ta -- C SANYO : SSOP16(225mil) Pin Assignment VCC 1 16 VM IN1 2 15 OUT2 IN2 3 14 OUT2 ICTRL 5 LV8400V EN 4 13 PGND 12 PGND ISET 6 11 OUT1 SGND 7 10 OUT1 IOUT 8 9 VM Top view No.A1385-3/6 LV8400V Block Diagram VM OUT1 VCC Level shifter OUT2 IN1 PGND Lowvoltage and Thermal Protection IN2 CMOS logic IOUT ICTRL Reference voltage + - EN ISET SGND Truth Table EN IN1 IN2 OUT1 OUT2 Mode H H L L Brake H L H L Forward L H L H Reverse H L L Z Z Standby L - - Z Z All function stop EN ICTRL IOUT Mode H ON Constant current ON L Z Constant current OFF - Z All function stop H L - : denotes a don't care value. Z : High-impedance • Current drain is zero in all function stop mode. (excluding the current that flows out of the EN pin) * All power transistors turn off and the motor stops driving when the IC is detected in low voltage or thermal protection mode. No.A1385-4/6 LV8400V Pin Functions Pin No. Pin name 9 VM 16 Description Equivalent circuit Motor block power supply. (Both pins must be connected) 1 VCC 4 EN Logic block power supply. Logic enable pin. (Pull-down resistor incorporated) VCC 10kΩ 200kΩ 2 IN1 Driver output switching. 3 IN2 (Pull-down resistor incorporated) 5 ICTRL VCC 10kΩ 200kΩ 10 OUT1 Driver output. VM 11 14 OUT2 15 OUT1 OUT2 PGND 6 ISET 8 IOUT Constant current output. IOUT Reference voltage 0.2V + - ISET 7 SGND 12 PGND 13 Logic block ground. Driver block ground. (Both pins must be connected) No.A1385-5/6 LV8400V Sample Application Circuit 2.7 to 5.5V 2.7 to 5.5V VM 4.0 to 15.0V VM VCC OUT1 OUT1 M IN1 OUT2 OUT2 to 15.0V PGND CPU IN2 PGND IOUT ICTRL IOUT ISET EN RSET SGND *1 : Connect a kickback absorbing capacitor as close as possible to the IC. Characteristics deterioration of the IC or damage may result if an instantaneous voltage surge exceeding the maximum rated value is applied to the VM line due to coil kickback or other causes. *2 : The output constant current (IOUT) is determined by the internal reference voltage and the sense resistor between the ISET and SGND pins. IOUT = Internal reference voltage (0.2V) ÷ Sense resistor (RSET) From the formula above, IOUT = 5mA when a sense resistor of 40Ω is connected between the ISET and SGND. 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