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L9916
SO-20 (12.8x7.5mm)
The L9916 from ST is an H-bridge motor driver with 40V 1.2A rating, PWM control, and overcurrent protection in SO-20 for automotive and industrial motor driving.
| الحزمة | SO-20 (12.8×7.5mm) |
The L9916 from ST is an H-bridge motor driver with 40V 1.2A rating, PWM control, and overcurrent protection in SO-20 for automotive and industrial motor driving.
The L9916 is an H-bridge motor driver from ST in SO-20, rated at 40V and 1.2A per bridge output. It integrates two half-bridge stages using N-channel DMOS power transistors, each with RDS(on) of 1.0Ohm typical. The internal charge pump (VCP pin with external capacitor) generates a gate voltage above VS to drive the high-side N-channel MOSFETs, enabling 100% duty cycle operation. The IN1/IN2 inputs control the H-bridge state: IN1=H/IN2=L drives current from OUT1 to OUT2 (forward); IN1=L/IN2=H reverses (backward); IN1=IN2=H applies brake (both outputs HIGH); IN1=IN2=L applies coast (both outputs HIGH-Z). PWM speed control is achieved by alternating between drive and brake at 20kHz or higher. The SENSE pin provides a current-proportional voltage (ratio approximately 1:2000) for external ADC monitoring. The EN pin disables all outputs for power management. Over-temperature protection at 170C shuts down the bridge with automatic recovery. The device supports stepper motor driving when two L9916 are used (one per phase). Operating voltage range 7-40V covers 12V and 24V automotive systems.
| دبوس | الاسم | النوع | الوظيفة |
|---|---|---|---|
| 1 | IN1 | المدخلات | Half-bridge 1 logic input |
| 2 | IN2 | المدخلات | Half-bridge 2 logic input |
| 3 | EN | المدخلات | Enable (active high) |
| 4 | VDD | الطاقة | Logic supply (5V) |
| 5 | GND | الطاقة | أرضي |
| 6 | سينس | المخرجات | Current sense output (analog) |
| 7 | خارج2 | المخرجات | Half-bridge 2 output |
| 8 | VCP | التناظرية | Charge pump output (bootstrap cap) |
| 9 | VS | الطاقة | Motor supply (7-40V) |
| 10 | خارج 1 | المخرجات | Half-bridge 1 output |
| الشركة المصنعة | رقم الجزء | الحزمة | الملاحظات |
|---|---|---|---|
| STMicroelectronics | L9917 | SO-20 | Quad half-bridge, higher channel count |
| Allegro | A4953KJPTR-T | TSSOP-16 | Full-bridge, 3.5A, automotive |
| تكساس إنسترومنتس | DRV8873SPWPR | HTSSOP-24 | H-bridge, 10A, SPI diagnostics |
| إنفينيون | BTS7960B | TO-263-7 | Half-bridge, 43A (x2 for H-bridge) |
| أونسمي | NCV8460ADR2G | SOIC-8 | Single high-side, 0.7A (x4 alternative) |
العلامة التجارية:
الحزمة:
دورة الشحن 3 ~ 7 أيام
الحد الأدنى للطلب هو 1
العلامة التجارية:
الحزمة:
دورة الشحن 3 ~ 7 أيام
الحد الأدنى للطلب هو 1
العلامة التجارية:
الحزمة:
دورة الشحن 3 ~ 7 أيام
الحد الأدنى للطلب هو 1
العلامة التجارية:
الحزمة:
دورة الشحن 3 ~ 7 أيام
الحد الأدنى للطلب هو 1
العلامة التجارية:
الحزمة:
دورة الشحن 3 ~ 7 أيام
الحد الأدنى للطلب هو 1
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