Unisonic Technologies UH457
The UH457 is a single coil motor driver with integrated Hall sensor. The UH457 also uses Soft-switch phase-switching technique to reduce the vibration and acoustic noise. MAGNETIC POLE North pole South pole PARAMETER B < BRP B > BOP TEST CONDITIONS NO High Low SO Low High UNISONIC TECHNOLOGIES CO., LTD 3 of 6 QW-R118-020.a UH457 Preliminary CMOS IC FUNCTIONAL DESCRIPTIONS Refer to the block diagram above, UH457 is composed of the following blocks: 1.| Part No. | UH457 |
|---|---|
| Datasheet | UH457 Download |
| Manufacturer |  Unisonic Technologies |
| Description | SMART MOTOR DRIVER |
| Buy | Stock & Price |
DESCRIPTION
Lock-shutdown and auto-restart function protects the motor from being over-heated and restarts the motor after being locked. Thermal-shutdown protection (TSD) ensures the internal drivers of IC are operating under a safe operating temperature range.●
FEATURES
* Soft switching output driver * Built-in Hall sensor motor driver * Motor lock protection and automatic restart * Thermal shutdown protection * H-Bridge MOS driver * For 12V or 24V DC motor / FAN systems● ORDERING INFORMATION Ordering Number UH457G-G04-K Package SIP-4 Packing Bulk UH457G-G04-K (1)Packing Type (2)Package Type (3)Green Package (1) K: Bulk (2) G04: SIP-4 (3) G: Halogen Free and Lead Free
● MARKING Copyright © 2015 Unisonic Technologies Co., Ltd 1 of 6 QW-R118-020.a UH457 Preliminary
● PIN
DESCRIPTION
PIN NO. PIN NAME P/I/ODESCRIPTION
1 VDD P Power supply 2 NO O Driver output 3 SO O Driver output 4 VSS G Ground Note: I=Input, O=Output, I/O=Input/output, P=Power supply, G=Ground● BLOCK DIAGRAM CMOS IC...
