Product Summary

The A3957SLB-A is a full-bridge pwm microstepping motor driver. It is designed for driving one winding of a bipolar stepper motor in a microstepping mode. The outputs are rated for continuous output currents to ±1.5 A and operating voltages to 50 V.

Parametrics

A3957SLB-A absolute maximum ratings: (1)Load Supply Voltage, VBB: 50 V; (2)Output Current, IOUT (Continuous): ±1.5 A; (3)Logic Supply Voltage, VCC: 7.0 V; (4)Logic/Reference Input Voltage Range, VIN: -0.3 V to VCC + 0.3 V; (5)Sense Voltage, VS: 1.0 V; (6)Package Power Dissipation (TA = 25℃), PD: 2.23 W; (7)Operating Temperature Range, TA: -20℃ to +85℃; (8)Junction Temperature, TJ: +150℃; (9)Storage Temperature Range, TS: -55℃ to +150℃.

Features

A3957SLB-A features: (1)±1.5 A Continuous Output Current; (2)50 V Output Voltage Rating; (3)Internal PWM Current Control; (4)4-Bit Non-Linear DAC for 16-Bit Microstepping; (5)Satlington. Sink Drivers; (6)Fast, Mixed Fast/Slow, and Slow Current-Decay Modes; (7)Internal Transient-Suppression Diodes; (8)Internal Thermal-Shutdown Circuitry; (9)Crossover-Current and UVLO Protection.

Diagrams

A3957SLB-A block diagram

A3950
A3950
Other

Data Sheet
Negotiable 
A3950SEUTR-T
A3950SEUTR-T

IC MOTOR DVR FULL BRIDGE 16-QFN
Data Sheet
0-1: $1.85
1-10: $1.66
10-50: $1.49
50-100: $1.35
100-250: $1.23
250-500: $1.10
A3950SLP-T
A3950SLP-T

IC MOTOR DRIVER PWM FULL 16-TSSO
Data Sheet
0-864: $1.08
A3950SLPTR-T
A3950SLPTR-T

IC MOTOR DVR FULL BRIDGE 16TSSOP
Data Sheet
0-1: $2.23
1-10: $2.00
10-50: $1.80
50-100: $1.63
100-250: $1.48
250-500: $1.32
500-1000: $1.11
1000-2500: $1.06
A3953
A3953
Other

Data Sheet
Negotiable 
A3953SB
A3953SB

IC MOTOR DRIVER PWM FULL 16-DIP
Data Sheet
Negotiable