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Freescale Semiconductor Electronic Components Datasheet



MC33899

Programmable H-Bridge Power IC


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MC33899 pdf
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Advance Information
Document Number: MC33899
Rev. 2.0, 6/2007
Programmable H-Bridge
Power IC
The 33899 is designed to drive a DC motor in both forward and
reverse shaft rotation under pulse-width modulation (PWM) control of
speed and torque. A current mirror output provides an analog
feedback signal proportional to the load current. A serial peripheral
interface (SPI) is used to select slew rate control, current
compensation limits and to read diagnostic status (faults) of the H-
Bridge drive circuits. SPI diagnostic reporting includes open circuit,
short circuit to VIGNP, short circuit to ground, die temperature range,
and undervoltage on VIGNP.
33899
PROGRAMMABLE H-BRIDGE POWER IC
Features
• Drives Inductive Loads in a Full H-Bridge Configuration
• Current Mirror Output Signal (Gain Selectable via External
Resistor)
VW SUFFIX (Pb-FREE)
98ASH70693A
30-PIN HSOP
• Short Circuit Current Limiting
• Thermal Shutdown (Outputs Latched Off Until Reset via SPI)
• Internal Charge Pump Circuit for the Internal High-Side MOSFETs
ORDERING INFORMATION
• SPI-Selectable Slew Rate Control and Current Limit Control
• Overtemperature Shutdown
Device
Temperature
Range (TA)
Package
• Outputs Can Be Disabled to High-Impedance State
MC33899VW/R2 -40°C to 125°C
30 HSOP
• PWM-able up to 11 kHz @ 3.0 A
• Synchronous Rectification Control of the High-Side MOSFETs
• Low RDS(ON) Outputs at High Junction Temperature (< 165 m@ TA = 125°C, VIGNP = 6.0 V)
• Outputs Survive Shorts to -1.0 V
• Pb-Free Packaging Designated by Suffix Code VW
VDDL +5.0 V VIGNP
MCU
33899
VIGNP
VCC
VDDQ
CSNS
REDIS
CRES
VCCL
FWD
REV
PWM
EN1
EN2
CS
SCLK
D1
D0
LSCMP
GND
S1
S0
RS
Figure 1. 33899 Simplified Application Diagram
* This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
© Freescale Semiconductor, Inc., 2007. All rights reserved.



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MC33899 pdf
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CRES
VCC
VCCL
CSNS
LSCMP
FWD
REV
PWM
EN1
EN2
VDDQ
SCLK
CS
DI
DO
INTERNAL BLOCK DIAGRAM
VIGNP
Charge
Pump
+3.3 V
Internal
Regulator
To Gate
Drives
M1
M3
Current
Sense,
Limitation,
and Mirror
S1
M2
Gate
Drives
M4
S0
PWM
Override
REDIS
Direction
and PWM
Control
Baseline
Slew Rate
Set
RS
Command, Fault, and
Temperature Register
Temperature
Sense and
Shutdown
GND
Figure 2. 33899 Simplified Internal Block Diagram
33899
2
Analog Integrated Circuit Device Data
Freescale Semiconductor



Part Number MC33899
Description Programmable H-Bridge Power IC
Maker Freescale Semiconductor - Freescale Semiconductor
Total Page 26 Pages
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