Toshiba is a DC brush motor and step motor to introduce a double H-bridge drive IC series

Toshiba Electronic Components and Storage Devices Co., Ltd. ("Toshiba") announced today that the new product "TC78H653FTG" "TC78H653FTG" to the DC "TC78H653FTG" is available for DC, and the new product can provide mobile equipment, household electronic products and The low voltage (1.8V) and large current (4.0a) required for dry battery power supply devices such as USB drives. In recent years, with the continuous development of the Internet of Things technology and the increasing use of wireless technology, people can continue to improve the application requirements of remote control through smartphones, so the motor control requirements of the battery are also increased. This trend will push people to support 1.8V low voltage (2 pieces of 0.9V battery, although the initial voltage is 1.5V, 1.2V, etc., can reduce the voltage of the driver IC of the device by discharging the voltage to 0.9V). Previously, the mainstream equipment was constructed by bipolar transistors, and the H-bridge driver IC that enables stable operation at a low voltage. However, this device also has problems, including high power consumption, which shorten battery life and increases IC current loss, and low motor voltage is low, which also causes insufficient motor torque. Toshiba's new dual H-bridge driver IC adopts Toshiba specializes in low-voltage DMOS process not only achieving the stability of low voltage operation, but also prolongs battery life. In addition, the product also reduces IC loss by low-conducting resistance to increase motor torque. This new product is suitable for motor applications driven by a relatively low voltage of a voltage (1.8V to 7.0V). Main features: Ø Low current consumption extension battery life; (In the working mode, VM = 3.0V and Ta = 25 ° C, ICC = 0.6mA (typ), in standby mode, VM = 3.0V and Ta = 25 ° C, ICC = 0μA (typ)) Ø The low-conducting resistance can reduce the IC loss generated by the motor driver due to the voltage drop, and can improve the motor voltage, thereby increasing the motor torque; (RON = 0.11 Ω (typ) (when VM = 5V and Ta = 25 ° C, high low side in large current mode) ØPWM Controls through high-speed output switching characteristics (TON = 90ns, TOFF = 90ns) when 500kHz. application: Ø Battery-driven application with relatively low voltage (1.8V to 7.0V), use 3.7V lithium ion battery mobile device (camera, electric toothbrush, printer, etc.), using two 1.5V dry battery electronic lock, smart meter , Smart water washing equipment and toys and other household products, as well as devices that use 5V USB power supply. 1.8V low voltage drives the main specifications of the H-bridge driver IC series: Read more

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