Product Summary

The A3957SLB 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

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

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

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
A3957SLB
A3957SLB
Other

Data Sheet
Negotiable 
Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
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