TB6612FNG — Datasheet Summary, Specs & Alternatives

01 — Overview

This Toshiba datasheet covers the TB6612FNG, a driver IC for dual DC motors. It details electrical characteristics and pin functions for controlling motor direction and speed. Key parameters include a 15 V maximum supply voltage, 1.2 A continuous output current per channel with 3.2 A peak capability, and a low 0.5 Ω on-resistor. The device features CW/CCW/brake modes, thermal shutdown, and operates from 2.7 V to 5.5 V logic supply.

02 — Key specifications

Datasheet parameters

Parameter	Min	Typ	Max	Conditions
quiescent current	—	1.1 mA	1.8 mA	STBY = Vcc = 3 V, VM = 5 V
output voltage	—	—	15 V	V; O1, O2 pins
output current	—	—	1.2 A	A; Per 1 ch
supply voltage range	2.7 V	3 V	5.5 V
switching frequency	—	—	100 kHz
forward voltage	—	1 V	1.1 V	IF = 1A
operating temperature	—	175 °C	—	(Design target only)
power dissipation	—	—	780 mW	W; IC only
rise time	—	24 ns	—	(Design target only)
fall time	—	41 ns	—	(Design target only)
driver count	—	2	—

03 — Alternatives

Closest matches to TB6612FNG

DRV8803DW 11.4× higher supply voltage range, 7.3× higher rise time, 4.3× higher fall time

TC78H621FNG 6.4× lower operating temperature, 2.1× lower fall time, 1.5× lower output current

L293D 10.4× higher rise time, 6.8× higher supply voltage range, 6.1× higher fall time

A4988 7.2× higher supply voltage range, 5.4× lower operating temperature, 3.6× higher quiescent current

DRV8837 7.8× lower operating temperature, 1.8× higher supply voltage range, 1.3× lower output current

TB67H450FNG 8.1× higher supply voltage range, 7.8× lower operating temperature, 3.7× higher power dissipation

TB67H451AFNG 8.1× higher supply voltage range, 7.8× lower operating temperature, 3.7× higher power dissipation

DRV8803PWPR 11.4× higher supply voltage range, 7.3× higher rise time, 4.3× higher fall time

04 — FAQ

Frequently asked questions

What is the driver count for the TB6612FNG?

The driver count is 2.

What is the fall time specification for the TB6612FNG?

The fall time is 41 ns (Design target only).

What is the forward voltage when IF = 1A?

The forward voltage is 1 V when IF = 1A.

What is the maximum operating temperature for the TB6612FNG?

The maximum operating temperature is 175 °C (Design target only).

What is the output current per channel under condition A?

The output current is 1.2 A per 1 ch under condition A.

What is the maximum output voltage at the O1 and O2 pins?

The output voltage is 15 V at the O1 and O2 pins.

What is the power dissipation for the TB6612FNG when considering the IC only?

The power dissipation is 780 mW.

What is the quiescent current when STBY = Vcc = 3 V and VM = 5 V?

The quiescent current is 1.1 mA.