ChongMing Group (HK) Int'l Co., Ltd
CHONGMING GROUP (HK) INT'L CO., LTD.
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DRV8837CDSGR DRV8837DSGR DRV8838DSGR Power Path Management IC Motor / Motion / Ignition Controllers & Drivers 1.8A LOW
1 Features
– Drives a DC Motor or Other Loads
– Low MOSFET On-Resistance: HS + LS 280 mΩ
1.8-A Maximum Drive Current
Separate Motor and Logic Supply Pins:
– MotorVM:0to11V
– Logic VCC: 1.8 to 7 V
PWM or PH-EN Interface
– DRV8837: PWM, IN1 and IN2
– DRV8838: PH and EN
Low-Power Sleep Mode With 120-nA Maximum Sleep Current
– nSLEEP pin
Small Package and Footprint
– 8-Pin WSON With Thermal Pad
– 2.0 × 2.0 mm
Protection Features
– VCC Undervoltage Lockout (UVLO)
– Overcurrent Protection (OCP)
– Thermal Shutdown (TSD)
2 Applications
Cameras
DSLR Lenses
Consumer Products
Toys
Robotics
Medical Devices
3 Description
The DRV883x family of devices provides an integrated motor driver solution for cameras, consumer products, toys, and other low-voltage or battery-powered motion control applications. The device can drive one dc motor or other devices like solenoids. The output driver block consists of N- channel power MOSFETs configured as an H-bridge to drive the motor winding. An internal charge pump generates needed gate drive voltages.
The DRV883x family of devices can supply up to
1.8 A of output current. It operates on a motor power supply voltage from 0 to 11 V, and a device power supply voltage of 1.8 V to 7 V.
The DRV8837 device has a PWM (IN1-IN2) input interface; the DRV8838 device has a PH-EN input interface. Both interfaces are compatible with industry-standard devices.
Internal shutdown functions are provided for overcurrent protection, short-circuit protection, undervoltage lockout, and overtemperature.
Device Information
|
PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
|
DRV8837 |
WSON (8) |
2.00 mm × 2.00 mm |
|
DRV8838 |