TPM8837C-DF4R-S

Overview

The TPM8837C-DF4R-S is a dual half-bridge motor driver manufactured by 3PEAK, designed for driving DC motors, relays, solenoids, and stepper motors. It utilizes NMOS technology and features an 8-DFN (2x2) exposed pad package. The device operates with a supply voltage range of 2.5V to 17V and supports PWM interfaces. Key electrical parameters include a typical on-resistance of 850mOhm for the low-side and high-side MOSFETs combined, and a continuous output current of 1A per channel. It functions within a temperature range of -40°C to 125°C.

Feature Summary

• Dual half-bridge configuration for independent control of two loads
• Integrated protection mechanisms including current limiting, overtemperature, short circuit, and UVLO
• Compatible with PWM control signals for precise motor speed regulation

Applications

• DC motor control systems
• Relay switching applications
• Solenoid drivers
• Stepper motor actuation

Procurement Notes

Verify the complete part number including the suffix '-S' to ensure correct packaging and variant matching. Confirm that the 8-DFN footprint matches the PCB layout requirements. Check datasheet specifications for thermal dissipation needs given the exposed pad design. Ensure supply voltages remain within the 2.5V to 17V operational limits during system integration.

Selection Notes

Select this component when a compact dual half-bridge solution is required for low-power inductive loads. The 850mOhm on-resistance offers a balance between efficiency and cost for 1A applications. Consider the 8-DFN package size for space-constrained designs. Verify compatibility with the system's PWM frequency and logic levels before finalizing the design.

Part Context

This part belongs to the TPM8837 series from 3PEAK, which focuses on power management and motor driving integrated circuits. The series includes variants like the TPM8837E, which differs in electrical specifications such as on-resistance and operating voltage ranges. The TPM8837C specifically targets applications requiring moderate current handling with robust protection features in a small form factor.

Replacement Considerations

The TPM8837E-DF4R is a related variant within the same family but exhibits different electrical characteristics, specifically a higher on-resistance of 1.1 Ohm and a lower supply voltage range of 1.8V to 5.5V. Direct substitution requires verification of voltage headroom and thermal performance due to the increased resistance.