TB67H451AFNG
Every spec below is cited to the manufacturer datasheet. Compare the closest alternatives, then ask the assistant what it means for your design.
What the TB67H451AFNG does
The TB67H451AFNG is a PWM chopper type DC brushed motor driver featuring a single output channel. Fabricated with Toshiba's BiCD process, it handles output voltages up to 50 V and maximum currents of 3.5 A. The device supports four operation modes including forward, reverse, brake, and stop, utilizing built-in high-side and low-side MOSFETs with a combined on-resistance of 0.6 Ω. It incorporates internal protection functions such as thermal shutdown, overcurrent detection, and undervoltage lockout. A built-in VCC regulator ensures stable internal circuit operation. Engineers typically use this component to control DC motors in applications requiring precise speed and direction control while maintaining high efficiency and robust fault protection.
Datasheet parameters
| Parameter | Min | Typ | Max | Conditions | Source |
|---|---|---|---|---|---|
| output voltage | 50 V | — | 50 V | Calculation of Predefined Output Current | Toshiba datasheet, p. 11 — Calculation of Predefined Output Current |
| output current | 3.5 A | — | 3.5 A | Calculation of Predefined Output Current | Toshiba datasheet, p. 11 — Calculation of Predefined Output Current |
| supply voltage range (abs max) | 4.5 V | 24 V | 44 V | Caution) Absolute maximum ratings | Toshiba datasheet, p. 11 — Caution) Absolute maximum ratings |
| rds on (abs max) | — | 600 mOhm | 800 mOhm | Tj = 25°C, Forward direction(High side + low side)Iout = 1.5 A; (h+l); Caution) Absolute maximum ratings | Toshiba datasheet, p. 12 — Caution) Absolute maximum ratings |
| operating temperature | -40 °C | — | 85 °C | Calculation of Predefined Output Current | Toshiba datasheet, p. 11 — Calculation of Predefined Output Current |
| power dissipation | 2.85 W | — | 2.85 W | Calculation of Predefined Output Current | Toshiba datasheet, p. 11 — Calculation of Predefined Output Current |
| rise time | 30 ns | 60 ns | 120 ns | —; Timing chart of AC characteristics | Toshiba datasheet, p. 15 — Timing chart of AC characteristics |
| fall time | 40 ns | 80 ns | 160 ns | —; Timing chart of AC characteristics | Toshiba datasheet, p. 15 — Timing chart of AC characteristics |
| driver count | — | 1 | — | Toshiba datasheet, p. 1 |
Closest matches to TB67H451AFNG
Frequently asked questions
What is the driver count for the TB67H451AFNG?
The driver count is 1.
What is the fall time specified in the AC characteristics timing chart?
The fall time is 80 ns.
What is the operating temperature for the TB67H451AFNG during the Calculation of Predefined Output Current?
The operating temperature is 85 °C.
What is the output current under the condition of Calculation of Predefined Output Current?
The output current is 3.5 A.
What is the output voltage during the calculation of predefined output current?
The output voltage is 50 V during the calculation of predefined output current.
What is the power dissipation of the TB67H451AFNG under the condition of Calculation of Predefined Output Current?
The power dissipation is 2.85 W.
What is the rds on value for the TB67H451AFNG at Tj = 25°C, Forward direction(High side + low side)Iout = 1.5 A; (h+l)?
The rds on value is 600 mOhm.
What is the rise time specified in the AC characteristics timing chart?
The rise time is 60 ns.
What is the supply voltage range?
The supply voltage range is 24 V, with the caution that this is an absolute maximum rating.