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MP6612 4-40V, 5A H-Bridge DC Motor Driver TSSOP-20
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pMPS MP6612 — H-Bridge DC Motor Driver, 4-40V input, 5 A output, TSSOP-20./p
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MP6612 4-40V, 5A H-Bridge DC Motor Driver TSSOP-20
The MPS MP6612 is a H-Bridge DC Motor Driver. It operates from a 4 V to 40 V input and is rated for 5 A. It is supplied in a TSSOP-20 package.
The MP6612 and MP6612D are H-bridge motor drivers used for driving reversible motors, which can drive a DC motor, or the winding of a stepper motor or other loads.
Key Specifications
| Part Number | MP6612 |
| Function | H-Bridge DC Motor Driver |
| Input Voltage | 4 V to 40 V |
| Current Rating | 5 A |
| Package | TSSOP-20 |
| Ordering Codes | MP6612 |
Features
- Wide 4V to 40V Operating Input Voltage (VIN) Range
- Internal Full H-Bridge Driver Supports 100% Duty Cycle with Internal Charge Pump
- Current Sense: 10% Accuracy
- 5A Continuous Driver Current
- Low On Resistance (RDS(ON)): o 70mΩ High-Side MOSFET (HS-FET) o 45mΩ Low-Side MOSFET (LS-FET)
- Cycle-by-Cycle Current Regulation and Limiting
- MP6612: IN1 and IN2 Logic Inputs, MP6612D: ENBL and DIR Logic Inputs
- Low Quiescent Current (IQ) Brake Mode with Two LS-FETs On
- Configurable Current Limit
- Fault Indication for Over-Current Protection (OCP), Over-Voltage Protection (OVP), and Over-Temperature Protection (OTP)
Typical Application Circuit
Applications
- Brushed DC Motor Drivers
- Solenoid Drivers
Design Notes
- Set dead time to match the external FET turn-off, not the datasheet typical. Too little risks shoot-through, too much distorts the current waveform at low duty cycle.
- Use a Kelvin connection for the current-sense resistor; shared copper injects switching noise straight into the sense amplifier.
- The thermal pad is the only heat path for most packages — via-stitch it to a ground plane with at least 9 vias.
- PWM frequency trades switching loss against current ripple in the motor inductance; 20 kHz keeps the drive out of the audible band.
- Add a brake or coast path so regeneration during a fast stop does not pump the supply rail.
Common Questions
What input voltage does the MP6612 support?
4 V to 40 V. The rated output is 5 A.
Which package and ordering codes apply to the MP6612?
TSSOP-20; order codes include MP6612.
What are the defining features of the MP6612?
Wide 4V to 40V Operating Input Voltage (VIN) Range Internal Full H-Bridge Driver Supports 100% Duty Cycle with Internal Charge Pump
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