Product Summary

The LB1838 is a low-saturation two-channel bidirectional motor driver IC for use in low-voltage applications. The LB1838 is a bipolar stepper-motor driver IC that is ideal for use in printers, FDDs, cameras and other portable devices.

Parametrics

LB1838 absolute maximum ratings: (1)Maximum supply voltage, VCC max: –0.3 to +10.5 V; VS max: –0.3 to +10.5 V; (2)Output applied voltage, VOUT: VS +VSF; (3)Input applied voltage, VIN: –0.3 to +10 V; (4)Ground pin flow-out current, IGND: 1.0 A per channel; (5)Allowable power dissipation, Pd max1: 550 mW Independent IC; Pd max2: 800 mW With board; (6)Operating temperature, Topr: –20 to +75℃; (7)Storage temperature, Tstg: –40 to +125℃.

Features

LB1838 features: (1)Low voltage operation (2.5 V min); (2)Low saturation voltage (upper transistor + lower transistor residual voltage; 0.40 V at 400 mA); (3)Through-current prevention circuit built in; (4)Separate logic power supply and motor power supply; (5)Spark killer diodes built in; (6)Thermal shutdown circuit built in; (7)Compact package (14-pin MFP).

Diagrams

LB1838 block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
LB1838M-MPB-E
LB1838M-MPB-E

ON Semiconductor

Motor / Motion / Ignition Controllers & Drivers AMUSEMENT

Data Sheet

0-1: $1.62
1-25: $1.46
25-100: $1.33
100-250: $1.20
LB1838M-TLM-E
LB1838M-TLM-E

ON Semiconductor

Motor / Motion / Ignition Controllers & Drivers MOTOR DRIVER

Data Sheet

0-1: $1.62
1-25: $1.46
25-100: $1.33
100-250: $1.20
LB1838M-TRM-E
LB1838M-TRM-E

ON Semiconductor

Motor / Motion / Ignition Controllers & Drivers AMUSEMENT

Data Sheet

0-1: $1.62
1-25: $1.46
25-100: $1.33
100-250: $1.20
LB1838MEVB
LB1838MEVB

ON Semiconductor

Power Management IC Development Tools EVM FOR LB1838M

Data Sheet

0-1: $27.27
LB1838M
LB1838M

Other


Data Sheet

Negotiable 
LB1838JM-TRM-E
LB1838JM-TRM-E

ON Semiconductor

Motor / Motion / Ignition Controllers & Drivers MOTOR DRIVER

Data Sheet

0-610: $1.18
610-1000: $0.99
1000-2000: $0.94
2000-5000: $0.91
LB1838JM
LB1838JM

Other


Data Sheet

Negotiable