DRV8832-Q1 Texas instruments

DRV8832-Q1

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DRV8832-Q1

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Описание

The DRV8832-Q1 device provides an integrated motor driver solution for battery-powered toys, printers, and other low-voltage or battery-powered motion control applications. The device has one H-bridge driver, and can drive one DC motor or one winding of a stepper motor, as well as other loads like solenoids. The output driver block consists of N-channel and P-channel power MOSFETs configured as an H-bridge to drive the motor winding.Provided with sufficient PCB heatsinking, the DRV8832-Q1 can supply up to 1-A of DC/RMS or peak output current. It operates on power supply voltages from 2.75 V to 6.8 V.To maintain constant motor speed over varying battery voltages while maintaining long battery life, a PWM voltage regulation method is provided. An input pin allows programming of the regulated voltage. A built-in voltage reference output is also provided.Internal protection functions are provided for over current protection, short-circuit protection, undervoltage lockout, and overtemperature protection.The DRV8832-Q1 also provides a current limit function to regulate the motor current during conditions like motor startup or stall, as well as a fault output pin to signal a host processor of a fault condition.The DRV8832-Q1 is available in tiny 3-mm x 3-mm 10-pin MSOP package with PowerPAD™ (Eco-friendly: RoHS & no Sb/Br).

Qualified for Automotive Applications
AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
- Device HBM ESD Classification Level H2
- Device CDM ESD Classification Level C4B
H-Bridge Voltage-Controlled Motor Driver
- Drives DC Motor, One Winding of a Stepper Motor, or Other Actuators/Loads
- Efficient PWM Voltage Control for Constant Motor Speed With Varying Supply Voltages
- Low MOSFET ON-Resistance:
  HS + LS 450 mΩ
1-A Maximum DC/RMS or Peak Drive Current
2.75-V to 6.8-V Operating Supply Voltage Range
300-nA (Typical) Sleep Mode Current
Reference Voltage Output
Current Limit Circuit
Fault Output
Thermally Enhanced Surface Mount Packages

Number of full bridges	1
Vs (min) (V)	2.75
Vs ABS (max) (V)	7
Peak output current (A)	1.3
RDS(ON) (HS + LS) (mΩ)	450
Sleep current (µA)	0.3
Control mode	PWM
Control interface	Hardware (GPIO)
Features	Current Regulation
Rating	Automotive
Operating temperature range (°C)	-40 to 125