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TC78S121FTG

更新时间： 2024-11-24 14:56:55

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TC78S121FTG 数据手册

TC78S121FTG

TOSHIBA CD Process Integrated Circuit Silicon Monolithic

TC78S121FTG

PWM Chopper Type Dual-Stepping Motor Driver

The TC78S121FTG is a PWM chopper type dual-stepping motor driver.

Two stepping motor drivers can drive up to four brushed DC

motors. Incorporating two pairs of H-bridge drivers, the

TC78S121FTG can drive two DC motors or a single stepping

motor.

Features

QFN48-P-0707-0.50

●

Single-chip motor driver for bipolar stepping motor

Weight: 0.137 (g)

control

●

Monolithic IC structured by CD process.

Low ON-resistance: R_on= 0.6 Ω

In large mode, ON-resistance of combined H-bridges is (R_on) is 0.3 Ω

●

Over-current detection (ISD), thermal shutdown (TSD) and V_Mpower-on reset circuits

Since the IC incorporates the V_CCregulator for internal circuit operation, an external power supply (5 V)

is not required.

●

Package: QFN48-P-0707-0.50

Maximum output withstand voltage: 40 V (max)

Output current: 2.0 A (max) in DC Motor (S) mode; 1.5 A (max) in Stepping Motor (S) mode

Chopping frequency can be set by external capacitor and resistor. High-speed chopping is possible at

100 kHz or higher.

Toshiba Electronic Devices & Storage Corporation

2017-09-15

12 3 4 5 6 7...30

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