The 33887 is a 5.0 A H-Bridge with Load Current Feedback making it ideal for closed-loop DC motor control. The IC incorporates internal control logic, charge pump, gate drive, and low RDS(ON) MOSFET output circuitry.
The MC33887 is a monolithic H‑Bridge power IC with load‑current feedback, designed for closed‑loop DC motor control. It integrates control logic, charge pump, gate drivers and low‑Rds(on) MOSFET outputs, supporting up to 5 A continuous load current and peak currents up to 7.8 A.
The document details pin assignments, electrical and thermal ratings, package options (HSOP, SOICW‑EP, PQFN), and ordering information. It also includes revision history and contact details for Freescale support.
| Continuous load current | 5.0 A |
|---|---|
| Peak current active limiting | 5.2 A to 7.8 A |
| Supply voltage range (full operation) | 5.0 V to 28 V |
| Extended supply voltage (limited operation) | up to 40 V |
| PWM frequency limit | 10 kHz |
| Fault Status output (FS) | Open‑drain active LOW |
| Enable input (EN) logic | HIGH = full operation, LOW = Sleep Mode |
The MC33887 can continuously drive up to 5.0 A of DC load current.
It operates from 5.0 V to 28 V for full performance, with limited operation up to 40 V.
The outputs can be PWM‑modulated up to 10 kHz.