ZDS1009TA Diodes Zetex, ZDS1009TA Datasheet

ZDS1009TA

Manufacturer Part Number

ZDS1009TA

Description

IC CURRENT MIRROR SOT223-8

Manufacturer

Diodes Zetex

Datasheet

1.ZDS1009TA.pdf (5 pages)

Specifications of ZDS1009TA

Function

Current Mirror

Sensing Method

High-Side

Voltage - Input

2.5 ~ 30 V

Current - Output

Operating Temperature

-55°C ~ 150°C

Mounting Type

Surface Mount

Package / Case

SOT-223 (8 leads), SM8

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Accuracy

Lead Free Status / RoHS Status

Lead free / RoHS Compliant, Compliant

Other names

ZDS1009TR

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SM-8 COMPLEMENTARY CURRENT MIRROR

DESCRIPTION

The ZDS1009 current mirror has been developed

specifically for high side, current sense plus level

translation applications and as such will find a broad

a p p lic ations base i nc l udi ng bat t e ry ch arg e

management, DC motor control and over current

monitoring functions. It is of particular interest for

current sense applications for feedback purposes in fast

battery chargers for Li-Ion cell based systems.

FEATURES

SCHEMATIC DIAGRAM

CONNECTION DIAGRAM

ISSUE 2 - JANUARY 2000

Excellent Temperature Tracking Characteristics

Compact Cost Effective Solution

Simplifies Circuit Implementation

Broad application base from

Single Cell Li-ion High Side Current sense chargers to

Multi-cell Lead-Acid systems

Only 4 Connections required

sense

sensitivity = 100mV/A

For balance R3=R4

The device functions by sensing the voltage developed

across an external (user defined) high side current

sense resistor, and by an arrangement of current

mirrors refer this sensed voltage, with or without

multiplication, to a low side referenced signal. This

signal can then be used, for example, to close the

control loop to a controller IC, for a DC-DC converter

providing charge to a battery.

R1=R3=R4=100

sense

R2=100m

TYPICAL APPLICATION CIRCUIT

(8 LEAD SOT223)

SM-8

ZDS1009

Related parts for ZDS1009TA

ZDS1009TA Summary of contents

Page 1

SM-8 COMPLEMENTARY CURRENT MIRROR DESCRIPTION The ZDS1009 current mirror has been developed specifically for high side, current sense plus level translation applications and as such will find a broad lic ations base udi ng ...

Page 2

ZDS1009 ABSOLUTE MAXIMUM RATINGS. PARAMETER Maximum Operating Voltage Maximum Voltage (E1-E2,E3-E4) Peak Pulse Current Continuous Current (E1-E4,E2-E3) Total Power Dissipation at T amb Operating and Storage Temperature Range * The power which can be dissipated assuming the device is mounted ...

Page 3

V - Supply Voltage(V) cc Voltage Transfer v Supply Voltage 1.00 0. 10k 0. 100 0.70 Vin = 1V Vcc = 5V ...

Page 4

ZDS1009 NPN 1.4 +25°C Iout = 0.95Iin 1.2 1.0 0.8 0.6 0.4 100µA 1mA 10mA I - Input Current (A) in Input/Cutoff Voltage v I NPN 1.6 1.4 1.2 1.0 0.8 0.6 Vcutoff 0.4 Vin 0.2 0 -55 -35 -15 ...

Page 5

PACKAGE DIMENSIONS 45° ORDERING INFORMATION DEVICE PARTMARKING ZDS1009 S1009 Zetex plc. Fields New Road, Chadderton, Oldham, OL9 8NP, United Kingdom. Telephone: (44)161 622 4422 (Sales), (44)161 622 4444 (General Enquiries) Fax: (44)161 622 4420 Zetex ...

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