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Freescale Semiconductor Electronic Components Datasheet

MC33899 Datasheet

Programmable H-Bridge Power IC

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MC33899 pdf
www.DFaretaeSshceeatl4eUS.ceommiconductor
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.



Freescale Semiconductor Electronic Components Datasheet

MC33899 Datasheet

Programmable H-Bridge Power IC

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MC33899 pdf
www.DINaTtaESRNhAeLetB4LUO.CcKomDIAGRAM
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



Freescale Semiconductor Electronic Components Datasheet

MC33899 Datasheet

Programmable H-Bridge Power IC

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MC33899 pdf
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PIN CONNECTIONS
PIN CONNECTIONS
Tab
VDDQ
DO
DI
SCLK
CS
CRES
REDIS
VIGNP
VIGNP
S0
S0
GND
NC
LSCMP
EN2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
30 CSNS
29 VCC
28 VCCL
27 REV
26 FWD
25 PWM
24 RS
23 VIGNP
22 VIGNP
21 S1
20 S1
19 GND
18 NC
17 NC
16 EN1
Tab
Figure 3. 33899 Pin Connections
Table 1. 33899 Pin Definitions
A functional description of each pin can be found in the Functional Pin Description section beginning on page 12.
Pin Number Pin Name
Formal Name
Definition
1
VDDQ
Logic Level Output Bias Sets VOH level of DO output and LSCMP.
2
DO
SPI Data Out
SPI control data output pin from the IC to the MCU.
3
DI
SPI Data In
SPI control data input pin from the MCU to the IC.
4
SCLK
SPI Serial Clock Input The SCLK input is the clock signal input for synchronization of serial data transfer.
5
CS
Chip Select
This pin is an input connected to a chip select output of an MCU.
(Active Low)
6
CRES
Charge Pump
This pin connects an external capacitor, which is the storage reservoir for the
internal charge pump.
7
REDIS
Automatic Output Re- This input pin is a connection to a capacitor that determines the default time the
Enable Disable
output will be turned off when the low-side current comparator is tripped, if PWM
has not commanded it. The typical value with a 0.1 µF is 100 µs. If shorted, the
feature is disabled.
8, 9, 22, 23
10, 11
12, 19
13, 17, 18
14
15
16
20, 21
VIGNP
S0
GND
NC
LSCMP
EN2
EN1
S1
Protected Ignition
Voltage
Bridge Output 0
to Load
Ground
No Connect
Low-Side Comparator
Master Enable 2
Master Enable 1
Bridge Output 1
to Load
This input pin is the primary H-Bridge power input. Note: Not reverse voltage
protected.
These output pins drive the bi-directional motor and must be connected together
on the PC board.
These pins must be connected on the PC board to the exposed pad.
These pins have no internal connections.
This output pin pulses high anytime the low-side current comparator is tripped.
These input pins determine the mode of the IC; namely, sleep, standby, and run.
These output pins drive the bi-directional motor and must be connected together
on the PC board.
Analog Integrated Circuit Device Data
Freescale Semiconductor
33899
3




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