H Phase & Enable (UVLO) V DD =2.55.5V =3.08.0V Io=400mA I DD =200uA typ. (Mode Select) 2 Phase & Enable (ALL L ) STB L (UVLO) Alarm CMOS SSOP20-C3 - -
(Ta=25 C) (Ta=25) - 2 -
- 3 -
- 4 -
- 5 - OUTA IN2B IN2A MS NJU7385 INB INA OUTB GND VDD BIAS OUT2A OUT2B ALARM VMM2 GATE-DRIVE VMM Control Logic UVLO SENSE2 SENSE GATE-DRIVE TSD STB
θ θ - 6 -
- 7 -
- 8 - OUTA IN2B IN2A MS NJU7385 INB INA OUTB GND VDD BIAS OUT2A OUT2B ALARM VMM2 GATE-DRIVE VMM Control Logic UVLO SENSE2 SENSE GATE-DRIVE TSD STB M Micro controller/ Microprocessor VDD + input VMM + OUTA IN2B IN2A MS NJU7385 INB INA OUTB GND VDD BIAS OUT2A OUT2B ALARM VMM2 GATE-DRIVE VMM Control Logic UVLO SENSE2 SENSE GATE-DRIVE TSD STB Micro controller/ Microprocessor VDD + input M VMM + M VMM2 +
STB MS INA(2A) INB(2B) OUTA(2A) OUTB(2B) Current Path OUTA 2-INPUT CONTROL MODE STB2 CW CCW CW BRAKE CCW CW STB2 t DELAY t STB t DELAY t DELAY 3 2 4 3 5/6 2 4 Output stage with current paths during turn-on, turn off. 6 5 3 VMM 3 OUTB OUTA 4 6 5 4 2 VMM 3 2 4 2 OUTB - 9 -
PHASE-ENABLE CONTROL MODE STB MS INA(2A) (PHASE) INB(2B) (ENABLE) OUTA(2A) STB2 CW CCW CCW CW CW CW OUTB(2B) STB2 t DELAY t STB t DELAY Current Path 3 2 4 2 4 2 2 Output stage with current paths during turn-on, turn off. VMM VMM 3 4 2 OUTA OUTB OUTA 4 OUTB 3 2 3 2 4-0 -
500 V DD -I DD 500 -I MM 450 450 400 400 350 350 I DD (ua) 300 250 200 I MM (ua) 300 250 200 50 50 00 00 50 50 0 0 2 3 4 5 6 7 8 0 0 2 3 4 5 6 7 8 9 0 V DD 0.6 -V OL Io=400mA 0.6 -V OH Io=400mA 0.5 0.5 0.4 0.4 V OL 0.3 V OH 0.3 0.2 0.2 0. 0. 0.0 0 2 3 4 5 6 7 8 9 0.0 0 2 3 4 5 6 7 8 9 - -
.0 Io-V OL =7.2V.0 Io-V OH =7.2V 0.9 0.9 0.8 0.8 0.7 0.7 0.6 0.6 V OL 0.5 0.4 V OH 0.5 0.4 0.3 0.3 0.2 0.2 0. 0. 0.0 0 00 200 300 400 500 600 700 800 900 0.0 0 00 200 300 400 500 600 700 800 900 Io(mA) Io(mA) 2.0 I ALARM -V ALARM 2.8 V DD -V IN.8.6 2.6 2.4 V IH.4 2.2 V ALARM.2.0 0.8 V IN 2.0.8.6 V IL 0.6.4 0.4.2 0.2.0 0.0 0 2 4 6 8 0 2 4 6 8 20 22 24 0.8 0 2 3 4 5 6 7 I ALARM (ma) V DD - 2 -
0.40 T j -I DD V DD =3.3V 0.40 T j -I MM =7.2V 0.35 0.35 0.30 0.30 0.25 0.25 I DD (ma) 0.20 0.5 I MM (ma) 0.20 0.5 0.0 0.0 0.05 0.05 0.00-50 -25 0 25 50 75 00 25 50 Tj( C) 0.00-50 -25 0 25 50 75 00 25 50 Tj( C) 800 T j -V OL Io=400mA =7.2V 800 T j -V OH Io=400mA =7.2V 700 700 600 600 500 500 V OL (mv) 400 300 V OH (mv) 400 300 200 200 00 00 0-50 -25 0 25 50 75 00 25 50 Tj( C) 0-50 -25 0 25 50 75 00 25 50 Tj( C) - 3 -