BA6219B Datasheet PDF learn more.
Part number: BA6219
Functions: Reversible Motor Driver
Package information:
Manufacturer: Rohm
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Description
BA6219B is a reversible motor driver IC designed for driving brush DC motors, offering bidirectional control with integrated protection features. It supports up to 2.2A output current and allows flexible motor speed control through external voltage adjustment. This device is commonly used in VCRs, cassette tape recorders, and other small motor control applications.
Features
- Reversible motor driver for brush DC motors
- Maximum output current up to 2.2A
- Four operating modes: forward, reverse, brake, and standby
- Built-in thermal shutdown protection
- External voltage control for motor speed adjustment
- Low standby current consumption
- Integrated output voltage setting pins
- Available in standard and power package variants
Pinout
1. GND
2. OUT 1: Motor Output
3. CD1: Capacitor connection pin for preventing both output transistors from turning on simultaneously
4. VR: Output High Voltage Setting
5. IN1: Logic Input
6. IN2: Logic Input
7. VCC1: Control Circuit Power Supply
8. Vcc2: Output Power Supply
9. CD2: Capacitor Connection Pin for preventing both output transistors from turning on simultaneously
10. OUT 2: Motor Output
Design Notes
- Ensure adequate heat dissipation when operating near maximum current
- Use proper decoupling capacitors close to the supply pins
- Control input logic signals carefully to avoid shoot-through conditions
- Thermal shutdown provides protection but should not be relied on for continuous operation
- Motor speed can be adjusted via supply or control voltage
Typical Circuit Usage
- Bidirectional DC motor control (forward/reverse)
- Tape drive mechanisms in VCRs and cassette players
- Small robotics and actuator control
- Motorized consumer electronics
- Low-power H-bridge driver applications
How to Choose This Part
- Select for applications requiring up to ~2A motor drive capability
- Ensure supply voltage compatibility with system design
- Consider thermal constraints in continuous operation
- Verify control logic compatibility with MCU outputs
- Use when integrated H-bridge functionality simplifies design
Applications
- VCR and cassette tape recorders
- Consumer electronics motor control
- Small DC motor drivers
- Office automation equipment
- Embedded motion control systems
Alternative / Equivalent Products
- BA6208
- BA6218
- L293D
- LB1836M
- TA7291P
[ … ]
BA6219B PDF File
