Product Summary

The A3987SLPT is a complete microstepping motor driver with built-in translator for easy operation. It is designed to operate bipolar stepper motors in full, half, quarter, and sixteenth step modes, with output drive capability of 50 V and ±1.5 A. The A3987SLPT includes a fixed off-time current regulator, which has the ability to operate in slow or mixed decay modes.

Parametrics

A3987SLPT absolute maximum ratings: (1)Logic Supply Voltage VDD: 7.0 V; (2)Logic Input Voltage Range VIN: –0.3 to VDD + 0.3 V; (3)VBBx to OUTx: 50 V; (4)Sense Voltage VSENSE: 0.5 V; (5)Reference Voltage VREF: 0 to 4 V; (6)Nominal Operating Temperature TA Range S: –20 to 85 °C; (7)Maximum Junction Temperature TJ(max): 150 °C; (8)Storage Temperature Tstg: –55 to 150 °C.

Features

A3987SLPT features: (1)Low RDS(on)outputs; (2)Short-to-ground protection; (3)Shorted load protection; (4)Automatic current decay mode detection/selection; (5)Mixed and slow current decay modes; (6)Synchronous rectification for low power dissipation; (7)Internal UVLO and thermal shutdown circuitry; (8)Crossover-current protection.

Diagrams

A3987SLPT block diagram 

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
A3987SLPTR-T
A3987SLPTR-T

IC DRIVER MICROSTEPPING 24-TSSOP
Data Sheet
0-1: $3.44
1-10: $3.08
10-50: $2.77
50-100: $2.52
100-250: $2.28
250-500: $2.04
500-1000: $1.72
Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
A3980
A3980
Other

Data Sheet
Negotiable 
A3980KLP
A3980KLP

IC DRIVER MICROSTEPPING 28-TSSOP
Data Sheet
0-500: $1.87
A3980KLP-T
A3980KLP-T

IC MOTOR DRIVER MICROSTEP 28-TSS
Data Sheet
0-600: $1.87
A3980KLPTR
A3980KLPTR

IC DRIVER MICROSTEPPING 28-TSSOP
Data Sheet
Negotiable 
A3980KLPTR-T
A3980KLPTR-T

IC DRIVER MICROSTEPPING 28-TSSOP
Data Sheet
0-1: $3.71
1-10: $3.33
10-50: $2.99
50-100: $2.72
100-250: $2.46
250-500: $2.21
500-1000: $1.86
A3981KLPTR-T
A3981KLPTR-T

IC MOTOR DVR MICROSTEP 28-TSSOP
Data Sheet
0-1: $2.83
1-10: $2.54
10-50: $2.28
50-100: $2.08
100-250: $1.88
250-500: $1.68
500-1000: $1.42
1000-2500: $1.35