Phison Ps2251 03 V Datasheet 555 Series
Ps2251 67 Firmware
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Phison Ps2251
DC Servo MOTORController/Driver
PS223 Datasheet 4-Channel Secondary Monitoring IC With 4-Channel OCP And an Additional OTP - Silicon Touch Technology Inc. PS224 Over/Under-voltage protection and lock. PS2251 PS22 Match, Like No Data LPS22(3) PS22(1) PS223(1) PS224(1) PS229(1) Start with No Data. Phison Electronics Corporation No.1, Qun Yi Road, Jhunan, Miaoli, Taiwan 350, R.O.C. Tel: +886-37-586-896 Fax: +886-37-587-868 Page 1 DCC.:S-09003 A. General Description The PHISON’s PS2251-33 micro-controller supports USB 2.0 & 1.1 and interface to NAND Flash Memory. This chip is specially designed for portable storage device.
The MC33030 is a monolithic DC servo MOTORController providing all active functions necessary for a complete closed loop system. This device consists of an on–chip op amp and window comparator with wide input common–mode range, drive and brake logic with direction memory, Power H–Switch driver capable of 1.0 A, independently programmable over–current monitor and shutdown delay, and over–voltage monitor. This part is ideally suited for almost any servo positioning application that requires sensing of temperature, pressure, light, magnetic flux, or any other means that can be converted to a voltage.
Although this device is primarily intended for servo applications, it can be used as a switchmode MOTORController.
• On–Chip Error Amp for Feedback Monitoring
• Window Detector with Deadband and Self Centering Reference Input
• Drive/Brake Logic with Direction Memory
• 1.0 A Power H–Switch
• Programmable Over–Current Detector
• Programmable Over–Current Shutdown Delay
• Over–Voltage Shutdown