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UCM101

UTC
Part Number UCM101
Manufacturer UTC
Description BIDIRECTIONAL PRECISION HIGH-SIDE CURRENT MONITOR
Published May 5, 2014
Detailed Description UNISONIC TECHNOLOGIES CO., LTD UCM101 Preliminary BIDIRECTIONAL PRECISION HIGH-SIDE CURRENT MONITOR  DESCRIPTION Th...
Datasheet PDF File UCM101 PDF File

UCM101
UCM101

Overview
UNISONIC TECHNOLOGIES CO.
, LTD UCM101 Preliminary BIDIRECTIONAL PRECISION HIGH-SIDE CURRENT MONITOR  DESCRIPTION The UTC UCM101 is a bidirectional precision high-side current sense monitor.
It uses UTC’s advanced technology to provide customers with a minimum operating current, high accuracy, high side voltage and a fixed gain of 10, etc.
The UTC UCM101’s output voltage is proportional to the differential input voltage.
Direction of current flow is indicated by the Flag pin.
The UTC UCM101 is suitable for widely voltage range applications and portable battery equipment.
LINEAR INTEGRATED CIRCUIT 4 5 3 12 SOT-25  FEATURES * Low operating current * High side voltage (2.
7~20V) * A fixed gain of 10 * High accuracy (typ=1%)  ORDERING INFORMATION Ordering Number UCM101G-AF5-R Package SOT-25 Packing Tape Reel  MARKING www.
unisonic.
com.
tw Copyright © 2015 Unisonic Technologies Co.
, Ltd 1 of 4 QW-R502-933.
b UCM101  PIN CONFIGURATION Preliminary S- S+ 5 4 LINEAR INTEGRATED CIRCUIT 1 2 3 Flag GND OUT  PIN DESCRIPTION PIN NO.
1 2 3 4 5 PIN NAME Flag GND OUT S+ S- DESCRIPTION This is the current direction pin.
It is open collector and allows the logic high level to be set independent of VS+ voltage.
Low indicates VS+ is greater than VSGround pin Output voltage pin This is the positive input of the current monitor.
It also acts as the supply voltage pin providing current for internal circuitry.
The current through this pin varies with differential sense voltage This is the negative input of the current monitor.
The current through this pin varies with differential sense voltage  BLOCK DIAGRAM UNISONIC TECHNOLOGIES CO.
, LTD www.
unisonic.
com.
tw 2 of 4 QW-R502-933.
b UCM101 Preliminary LINEAR INTEGRATED CIRCUIT  ABSOLUTE MAXIMUM RATING PARAMETER SYMBOL RATINGS UNIT Voltage on VS- and VS+ Voltage on all Other Pins Vsense [(VS+) - (VS-)] Package Power Dissipation at TA=25°C (De-rate to zero at 150°C) PD -0.
6~20 V -0.
6~(VS+ or VS-)+0...


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