POWER ICs MC33887 FACT SHEET MC33887 POWER H-BRIDGE DRIVER WITH SLEEPMODE APPLICATIONS • Automotive Systems • DC-Motor Control in Industrial and Robotic Systems • DC-Motor and Actuator Control in Boats, RV’s and Marine Systems • Appliance and White Goods Electrical Actuators • Powered Machine and Hand Tools • Antenna Rotors or Dish Positioning Systems The MC33887 is a monolithic power IC comprising control logic, charge pump, gate drive, and low RDS(on) MOSFET output H-Bridge circuitry into a small surface mount package. It is designed to drive inductive loads with RMS currents up to 5.2 A in both directions. In addition, the current drive can be pulse width modulated (PWM) at frequencies up to 20 kHz. An internal current mirror circuit provides a proportional (1/400th) sample of the output current, which may be used to provide feedback or load information to a microcontroller’s A/D input. Under voltage, over temperature, and over current conditions are detected and reported via a status flag output. Output control is via two independent inputs (each half of the bridge may be utilized as an independent totem pole output). Enables can place the bridge into sleep mode (<25 µA). Typical applications include: DC-motor acme lead screw actuators, servo gear actuators, bi-directional thrust solenoids, and fractional horsepower DCmotor control. CUSTOMER BENEFITS • Easiest way to interface a microcontroller to a DC-motor • Simplified system design • Built-in current limiting • Built-in thermal shutdown • Versatile output control (each half of H-Bridge is independently controllable) • Reduced board space • Enhanced reliability Simplified Application Diagram VPWR MC33887 VPWR CP OUT1 MCU FDBK IN1 OUT2 IN2 GND DI1 DI2 EN SF Performance Outputs RMS Current RDS(on) @ 25°C Operating Voltage Peak Current Load Dump Transient Switching Time ESD Operating Temp Junction Operating Temp Motor Typical Values 2 5.2 A 120 mΩ 5.0 – 28 V 8.0 A each output +40 V 8 µS 2000 V -40°C ≤ TA ≤ 125°C -40°C ≤ TJ ≤ 150°C H-BRIDGE ANALOG PRODUCTS FEATURES • Withstands transients up to 40 V at VBAT • 120 mΩ typical RDS(on) each output fet at TJ 25 °C • Logic inputs TTL/CMOS compatible • Operating frequency up to 20 kHz • Power saving sleep mode • Diagnostic status flag output, current mirror output Protection Under Voltage Over Current/SC Over Temperature Open Load Short to GND Short to VPWR Detect Shut Down ● ● Limiting Auto Retry Status Reporting ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● Ordering Information ● Ship Package Method Thermally Enchanced SOICW Motorola Part Number Rail T/R Contact Factory for Samples PC33887DW PC33887DWR2 44 QFN Rail T/R PC33887FC PC33887FCR2 20 HSOP Rail T/R PC33887DH PC33887DHR2 Data Sheet Order Number MC33887/D QUESTIONS • Do you need to control a DC-motor via microprocessor? • Are you designing a DC-motor controller for motors up to 5.2 A and up to 28 V DC? • Do you need to drive a motor in both forward and reverse or a solenoid in both push and pull? • Do you need to incorporate PWM speed and torque control? • Do you need to provide active braking and freewheeling? How to reach us: USA/EUROPE/Locations Not Listed: Motorola Literature Distribution; P.O. Box 5405, Denver, Colorado 80217 1–303–675–2140 or 1–800–441–2447 JAPAN: Motorola Japan Ltd.; SPS, Technical Information Center, 3–20–1, Minami–Azabu. Minato–ku, Tokyo 106–8573 Japan 81–3–3440–3569 ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; Silicon Harbour Centre, 2 Dai King Street, Tai Po Industrial Estate, Tai Po, N.T., Hong Kong 852–26668334 Technical Information Center: 1–800–521–6274 HOME PAGE: http://www.motorola.com/semiconductors/ MOTOROLA and the Stylized M Logo are registered in the U.S. Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2001 MC33887FS/D Rev. 0