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UBA2007TK/N2 Datasheet(PDF) 13 Page - Texas Instruments

Part # UBA2007TK/N2
Description  Charge switch
PDF  19 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

UBA2007TK/N2 Datasheet(HTML) 13 Page - Texas Instruments

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2003 Oct 01
13
Philips Semiconductors
Product specification
Charge switch
UBA2007
11 APPLICATION INFORMATION
11.1
Application diagram
11.2
Soft switching
handbook, full pagewidth
MRC315
CHARGER
WALL PLUG
ACCESSORIES
PCF50604
HOST
CONTROLLER
GPIOx
GPIOx
(1)
yyVIN
xxVIN
AUXON
MBCFAST
MBCSLOW
VBAT (or BATVOLT)
I2C-bus
UBA2007
CHGOK_N
SWMOD
RLIMF
CURMOD
10
6
9
8
CHG
CHG
7
REVMOD
2
1
BAT
BAT
5
4
Fig.4 UBA2007 in combination with the PCF50604 PMU.
An external capacitor can be added on VCHG (typically 10 nF) to prevent any oscillation of the pre-charge current.
This applies only when using a linear charger.
handbook, full pagewidth
200
µs/div.
Limit set to 1 A(1)
ICHG
SWMOD
MGX394
Ch1 2.00 V
T
Ch4 500 mA/
Ω
Fig.5 Soft switching sequence (CURMOD = LOW).
(1) Limit is set by selecting RRLIMF



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