TS52002 datasheet(1/14 Pages) ETC2

部品番号	TS52002

部品情報	High Efficiency NiMH Battery Charger for Photovoltaic Sources

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TS52002

Version 1.2

Specifications subject to change

WWW.TRIUNESYSTEMS.COM

DESCRIPTION

FEATURES



Utilizes a temperature-independent

PV MPPT-Lite™ regulation scheme



VBAT reverse current blocking



Up to 1.5A continuous output current



High efficiency – up to 92% at typical load



Current mode PWM control in constant voltage



Input supply under-voltage lockout



Full protection for VBAT over-voltage



Device over-current and over-temperature protection



I2C status interface



VBAT status indication

SUMMARY SPECIFICATION



Wide Input Voltage Range: 3.2V to 7.2V



Packaged in a 16pin QFN (4x4)

TYPICAL APPLICATION

GND

EN

SW

nFLT

VBAT

SCL

PGND

COUT

LOUT

RSENSE

VIN

SDA

Photovoltaic Cells

VSENSE

RPULLUP

(optional)

VDD

RPULLUP

(optional)

VDD

CIN

VDD

CVdd

TS52002

µC

NiMH

– 1 or 2 cells

Series or Parallel

The TS52002 is a DC/DC synchronous switching

MPPT Regulator with fully integrated power

switches, internal compensation, and full fault

protection. The TS52002 utilizes a temperature-

independent photovoltaic Maximum Power Point

Tracking (MPPT-Lite™) calculator to optimize

power output from the source.

The switching

frequency of 1MHz enables the use of small filter

components, resulting in smaller board space and

reduced BOM costs.

APPLICATIONS



1-cell and 2-cell NiMH chargers



Portable solar chargers



Off-grid systems



Wireless sensor networks



Smoke detectors



HVAC controls

High Efficiency NiMH Battery Charger for Photovoltaic Sources

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