TB67H450FNG
TOSHIBA BiCD Process Integrated Circuit Silicon Monolithic TB67H450FNG
PWM Chopper Type DC Brushed Motor Driver
The TB67H450FNG is a PWM chopper type DC brushed motor driver.
One channel of motor output block is embedded.
Fabricated with the BiCD process, the TB67H450FNG is rated at output
voltage 50 V, maximum current 3.5A. P-HSOP8-0405-1.27-001
Weight: 0.075g (typ.) Features
・ Monolithic IC using BiCD process ・ Capable of PWM constant current drive and direct PWM drive ・ Supporting 4 operation modes, Forward / Reverse / Brake / STOP (OFF) ・ Built-in output MOSFET with Low on-resistance (High side + low side=0.6Ω(typ.) ・ Realization of high voltage and large current drive (Refer to “Absolute maximum ratings” and “Operating range”.) ・ Built-in various error detection functions (Thermal shutdown (TSD), over current detection (ISD), and Under voltage
lockout(UVLO) ・ Built-in VCC regulator for the internal circuit operation. Note: Please be careful about the thermal conditions during use. © 2019
Toshiba Electronic Devices & Storage Corporation 1 2019-04-01 TB67H450FNG
Pin Assignment GND 1 IN2 2 IN1 3 VREF 4 8 OUT2 7 RS 6 OUT1 5 VM TB67H450FNG
(Top View) 2 2019-04-01 TB67H450FNG
Block Diagram
VM VCC Regulator
Charge
Pump UVLO OUT1 IN1 IN2 ISD
Control
Logic Pre-driver H-Bridge
OUT2 TSD
Up to 5V
Current
Comp …