PCT普诚科技 PT5111 电机驱动器芯片
DESCRIPTION
The PT5111 is a semiconductor integrated circuit thatincorporates driver circuits suitable for the motors ofdigital cameras. The current consumption can be holdat quite low level during standby or operation. And theactive power supply voltage range for VM is from2.7~5.5V. So the device is ideal for portable andbattery powered applications.The PT5111 is available in QFN40 (5mm × 5mm)package. Performance is specified for -40℃ to +85℃temperature range.
FEATURES
● An ultra-fine CMOS process has been adopted for low power consumption in a design
● A small 40-pin QFN package(5mmx5mm, lead pitch is 0.4 mm)has been adopted
● 1ch/2ch and 3ch/4ch are capable of micro-steps mode. Possible modes are from 2-2 phase stepper drive to maximum 256 resolution micro-steps
● Built-in autonomous drive circuit under the control of serial settings
● Built-in 3-ch PI driver
● Under voltage lockout circuit
- Shut down the intemal circuit at VCC=1.8V (Typ.)
● Thermal shut down circuit
- Shut down the internal circuit at 150℃ Hysteresis 30℃
● Power supply systems are all internally isolated and include a function to prevent reverse current between power supplies
● Built-in exclusive control mode from channel 3 to channel 6(resemblance 7 channel motor drive application)
APPLICATION
● DSC/DV
