The
CST2466A provides an integrated motor driver for cameras, consumer products, toys and other application with low-voltage or battery-powered motion control.The
CST2466AE can supply up to 1.8A of output DC current. It operates on a motor power supply (VM) from 2 to 11V and a device power supply voltage (VCC) of 2V to 6V. Ultra- low RDS-ON allows SOP-8 package available. The
CST2466A has a PWM (INA、INB) input interface. Full protections are integrated with over-current protection, under-voltage lockout and over-temperature shutdown.
CST2466A/CST2466AE特性:
H-Bridge Motor Driver
DC Motor or Other Loads
Low On-Resistance : 280mΩ
1.8-A Maximum DC Drive Current
Separate Motor and Logic Supply
Motor VM : 2 to 11V
Logic VCC : 2V to 6V
Low-Stand-by Current ≤ 2uA/VM=VCC=5V
Small Package and Footprint
8-Pin ESOP with Thermal PAD
8-Pin SOP
Protection Features
VCC Under-voltage Lockout
Over-Current Protection
Thermal Shutdown
CST2466A/CST2466AE应用:
电动牙刷、电锁
摄像机
单反镜头
消费品
玩具
The capacitor C1 connected between the GND and the VM pins must be located as close as possible to the CST2466A chip. In different applications, C1(show as above) is recommended to use a 0.1uF in 3V applications; a 1uF is recommended for 4.5V applications; a 4.7uF is recommended for 6V applications; in 9.6V applications, it is recommended to use 22uF, all these capacitors should be SMD package.The connection between the negative pole of the capacitor and the GND terminal of the IC should be as short as possible. That is to say, the line route should not far away.
When the application board has capacitors while filtering for other chips that is far away from the CST2466A, it need to place a small capacitor for CST2466A.
The capacitor C3 preferably soldering to the motor poles instead of placing it on the PCB. When it is inconvenient to soldering on the motor poles, it can be mount on the PCB. The following diagram is the PCB layout reference .