Toshiba Launches H-bridge Driver IC Supporting 1.8V Low-Voltage and 4.0A Large-Current Drive

Applications
Motor applications driven by relatively low voltage batteries (1.8V to 7.0V), mobile devices (cameras, electric toothbrushes, printers) using 3.7V lithium-ion batteries, products for the home, such as electronic locks, smart meters, electronic bidet toilet, and toys using two 1.5V dry batteries, and devices using 5V USB power supply.

 

Main Specifications of 1.8 V Low Voltage Drive H Bridge Driver IC Series

Product name   TC78H651FNG  

TC78H653FTG
(New)

Power supply voltage
(Operating range)
1.8V to 6.0V 1.8V to 7.0V
Output current
(Absolute maximum rating)
1.6A

2.0A in small mode
4.0A in large mode

Number of H-bridge channels 2ch

2ch in small mode
1ch in large mode

Drive motors

DC brushed motors (driving two motors is possible.)
Bipolar stepping motors

Output on resistance
(total of high and low side)
0.22Ω (typ.)

0.22Ω(typ.)in small mode
0.11Ω(typ.)in large mode

Detection functions Over current detection, thermal shutdown, and under voltage lockout
Package

TSSOP16
(size: 5.0 mm x 6.4 mm, pin pitch: 0.65 mm)

QFN16
(size: 3.0mm×3.0mm)

Other features

Built-in standby function: power consumption is 0μA (typ.)
High speed PWM specification

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