FULL-BRIDGE PWM MOTOR DRIVER
Data Sheet 29319.1C
3952
FULL-BRIDGE PWM MOTOR DRIVER
A3952SB
Designed for bidirectional pulse-width modulated curre...
Description
Data Sheet 29319.1C
3952
FULL-BRIDGE PWM MOTOR DRIVER
A3952SB
Designed for bidirectional pulse-width modulated current control of inductive loads, the A3952S– is capable of continuous output currents
to ±2 A and operating voltages to 50 V. Internal fixed off-time PWM
BRAKE 1 REF 2
VBB
16
LOAD SUPPLY
current-control circuitry can be used to regulate the maximum load current to a desired value. The peak load current limit is set by the
15 OUTB
user’s selection of an input reference voltage and external sensing resistor. The fixed OFF-time pulse duration is set by a user-selected
RC 3
14 MODE
external RC timing network. Internal circuit protection includes thermal
GROUND 4
GROUND 5
TLOGIC
SUPPLY
6
VCC
CPHASE 7
UENABLE 8
LOGIC VBB
13 GROUND 12 GROUND 11 SENSE
10 OUTA LOAD
9 SUPPLY
ODDwg. PP-056
Note that the A3952SB (DIP) and the A3952SLB
R ly(SOIC) are electrically identical and share a
common terminal number assignment.
D P On ignABSOLUTE MAXIMUM RATINGS
sLo...
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