Overview
The DRV8832-Q1, produced by Texas Instruments, is an integrated motor driver IC designed for battery-powered applications. It provides a single H-bridge driver capable of driving one DC motor or one winding of a stepper motor, as well as other loads such as solenoids. This device is particularly suited for low-voltage or battery-powered motion control applications, including toys, printers, cameras, and phones. The DRV8832-Q1 operates with a supply voltage range of 2.75 V to 6.8 V and can supply up to 1-A of DC/RMS or peak output current with sufficient PCB heatsinking.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Supply Voltage Range | 2.75 V to 6.8 V |
| Maximum DC/RMS or Peak Drive Current | 1 A |
| MOSFET ON-Resistance (HS + LS) | 450 mΩ |
| Sleep Mode Current | 300 nA (Typical) |
| Package Type | 10-pin MSOP with PowerPAD™ |
| Package Size | 3.00 mm × 3.00 mm |
| Protection Features | Overcurrent, short-circuit, undervoltage lockout, overtemperature protection |
Key Features
- Integrated H-bridge motor driver with N-channel and P-channel power MOSFETs.
- PWM voltage regulation to maintain constant motor speed over varying battery voltages.
- Reference voltage output and current limit circuit.
- Fault output pin to signal host processor of fault conditions.
- Thermally enhanced surface mount package.
- Internal protection functions including overcurrent, short-circuit, undervoltage lockout, and overtemperature protection.
Applications
- Battery-powered devices: printers, toys, robotics, cameras, phones.
- Small actuators and pumps.
Q & A
- What is the operating supply voltage range of the DRV8832-Q1?
The operating supply voltage range is 2.75 V to 6.8 V.
- What is the maximum DC/RMS or peak drive current of the DRV8832-Q1?
The maximum DC/RMS or peak drive current is 1 A.
- What type of protection features does the DRV8832-Q1 have?
The device has overcurrent, short-circuit, undervoltage lockout, and overtemperature protection features.
- What is the purpose of the fault output pin on the DRV8832-Q1?
The fault output pin signals the host processor of fault conditions such as overcurrent or overtemperature events.
- What is the package type and size of the DRV8832-Q1?
The package type is 10-pin MSOP with PowerPAD™, and the size is 3.00 mm × 3.00 mm.
- How does the DRV8832-Q1 maintain constant motor speed over varying battery voltages?
The device uses PWM voltage regulation to maintain constant motor speed.
- What are some common applications of the DRV8832-Q1?
Common applications include battery-powered devices such as printers, toys, robotics, cameras, and phones, as well as small actuators and pumps.
- What is the sleep mode current of the DRV8832-Q1?
The sleep mode current is typically 300 nA.
- Does the DRV8832-Q1 have a built-in voltage reference output?
- Is the DRV8832-Q1 RoHS compliant?
