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UH447

UTC
Part Number UH447
Manufacturer UTC
Description SMART MOTOR DRIVER
Published Apr 20, 2020
Detailed Description UNISONIC TECHNOLOGIES CO., LTD UH447 SMART MOTOR DRIVER WITH INTEGRATED HALL SENSOR  DESCRIPTION The UH447 is a two-ph...
Datasheet PDF File UH447 PDF File

UH447
UH447

Overview
UNISONIC TECHNOLOGIES CO.
, LTD UH447 SMART MOTOR DRIVER WITH INTEGRATED HALL SENSOR  DESCRIPTION The UH447 is a two-phase half wave motor driver with integrated Hall sensor.
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.
The UH447 also uses Soft-switch phase-switching technique to reduce the vibration and acoustic noise.
 FEATURES * Soft switching output driver * Built-in Hall sensor motor driver * Motor lock protection and automatic restart * Thermal shutdown protection * Open drain MOS driver * For 24V DC motor / FAN systems  ORDERING INFORMATION Ordering Number UH447G-G04-K Package SIP-4 1 CMOS IC SIP-4 Packing Bulk  MARKING www.
unisonic.
com.
tw Copyright © 2016 Unisonic Technologies Co.
, Ltd 1 of 5 QW-R118-028.
a UH447  PIN DESCRIPTION PIN NO.
PIN NAME TYPE DESCRIPTION 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 UNISONIC TECHNOLOGIES CO.
, LTD www.
unisonic.
com.
tw 2 of 5 QW-R118-028.
a UH447 CMOS IC  ABSOLUTE MAXIMUM RATING PARAMETER SYMBOL RATINGS UNIT DC Supply Voltage(VDD, FG) VDD 32 V Supply Current Output Current IDD 5 mA ICONT 350 mA Power Dissipation Junction Temperature PD 500 mW TJ 170 °C Operation Junction Temperature TOPR -40 ~ +85 °C Storage Temperature TSTG -55 ~ +150 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
 THERMAL DATA PARAMETER Junction to Ambient Junction to Case SYMBOL θJA θJC  RECOMMENDED OPERATING COMDITIONS RATINGS 104 90 UNIT °C/W °C/W PARAMETER Supply Voltage Operation Junction Temperature SYMBOL VDD TA...


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