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BQ25302 Datasheet(PDF) 13 Page - Texas Instruments

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Part # BQ25302
Description  BQ25302 Standalone 1-Cell 2.0-A Buck Battery Charger
PDF  38 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ25302 Datasheet(HTML) 13 Page - Texas Instruments

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8.2 Functional Block Diagram
TS
+
±
+
±
FBO
PGND
REGN
RBFET (Q1)
VBUS
LSFET (Q3)
HSFET (Q2)
SW
BAT
VBUS_OV
Q1 Gate
Control
REGN
PMID
+
±
VVBUS
VVBUS_OV
ILSFET_UCP
IQ3
104% × V BAT_REG
BAT
+
±
+
±
UCP
BATOVP
Converter
Control
+
±
+
±
ICHG_REG
VBAT_REG
BAT
+
±
+
±
+
±
IINDPM
IC TJ
TREG
VINDPM
REGN
LDO
EN_CHARGE
UVLO
SLEEP
VVBUS_LOWV
VBAT + VSLEEP
BTST
REFRESH
Q2_OCP
VBTST_REFRESH
VBTST - VSW
IHSFET_OCP
IQ2
EN_CHARGE
+
±
+
±
+
±
+
±
+
±
REF/EN
STAT
BATLOWV
RECHRG
TERMINATION
BATSHORT
TSHUT
TSHUT
IC TJ
BAT
VBAT_LOWV
BAT
ITERM
ICHG
BAT
VSHORT
VREG -VRECHG
ICHG
ICHG
VSET
IIN
IIN
+
±
VVBUS
+
±
VVBUS
VPMID
EN_REGN
AGND
Converter
Control State
Machine
ICHG
SNS
VTS
VTHOT
VTS
Charger
Control State
Machine
SUSPEND
SUSPEND
VTS
VTCOLD
EN
POL
www.ti.com
BQ25302
SLUSCZ3 – OCTOBER 2020
Copyright © 2020 Texas Instruments Incorporated
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