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Technical Data
5.0 A H-Bridge
The 33886 is a monolithic H-Bridge ideal for fractional horsepower
DC-motor and bi-directional thrust solenoid control. The IC
incorporates internal control logic, charge pump, gate drive, and low
R DS(ON) MOSFET output circuitry. The 33886 is able to control
continuous inductive DC load currents up to 5.0 A. Output loads can
be pulse width modulated (PWM-ed) at frequencies up to 10 kHz.
Document Number: MC33886
Rev 10.0, 01/2014
33886
H-BRIDGE
A Fault Status output reports undervoltage, short-circuit, and
overtemperature conditions. Two independent inputs control the two
half-bridge totem-pole outputs. Two disable inputs force the H-Bridge
outputs to tri-state (exhibit high-impedance).
The 33886 is parametrically specified over a temperature range of
-40 ? C ? T A ? 125 ? C, 5.0 V ? V+ ? 28 V. The IC can also be operated
up to 40 V with derating of the specifications. The IC is available in a
surface mount power package with exposed pad for heatsinking. This
device is powered by SMARTMOS technology.
VW SUFFIX (PB-FREE)
Features
? 5.0 V to 40 V continuous operation
? 120 m ? R DS(on) H-Bridge MOSFETs
? TTL / CMOS compatible Inputs
? PWM frequencies up to 10 kHz
? Active current limiting via internal constant off-time PWM (with
temperature-dependent threshold reduction)
? Output short-circuit protection
? Undervoltage shutdown
? Fault status reporting
98ASH70702A
20-PIN HSOP
Applications
? Automotive systems
? DC motor control in industrial and robotic systems
? DC motor and actuator control in boats, RVs, and
marine systems
? Appliance and white goods electrical actuators
? Powered machine and hand tools
? Antenna rotors and dish positioning systems
5.0 V
CCP
33886
V+
V +
OUT1
MCU
IN
FS
Motor
OUT
IN1
OUT
OUT
OUT
IN2
D1
D2
OUT2
PGND
GND
Figure 1. 33886 Simplified Application Diagram
? Freescale Semiconductor, Inc., 2007 - 2014. All rights reserved.
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