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BQ25700ARSNT Datasheet(PDF) 22 Page - Texas Instruments

Part # BQ25700ARSNT
Description  bq25700A SMBus Multi-Chemistry Battery Buck-Boost Charge Controller With System Power Monitor and Processor Hot Monitor
PDF  85 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

BQ25700ARSNT Datasheet(HTML) 22 Page - Texas Instruments

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background image
50ms Rising
Deglitch
20X**
20X**
REGN
LDO
SMBUS
Interface
ChargeOption0()
ChargeOption1()
ChargeOption2()
ChargeCurrent()
ChargeVoltage()
InputCurrent()
InputVoltage()
MinSysVoltage()
OTGVoltage()
OTGCurrent()
3.9V
ACOVP
26V
CHRG_OK_DRV
VREF_IDPM, or VREF_IOTG
EN_HIZ
PWM
EN_REGN
VBUS
CHRG_OK
ACP
ACN
IADPT
SRP
SRN
SDA
SCL
PGND
LODRV1
REGN
SW1
HIDRV1
BTST1
VREF_VBAT
bq25700A Block Diagram
** programmable in register
4
2
3
PWM
Driver
Logic
IBAT
PSYS
CELL_BATPRESZ
Processor
Hot
PROCHOT
IADPT
IBAT
VSYS
ACN
(ACP-ACN)
SRN
(SRN-SRP)
16X
VREF_ICHG
ILIM_HIZ
LODRV2
SW2
HIDRV2
BTST2
CMPIN
CMPOUT
VREF_CMP**
CMP_DEG**
Loop Selector
and
Error Amplifier
VREF_VDPM or VREF_VOTG
VREF_ILIM
VSNS_IDPM, or VSNS_IOTG
VSNS_ICHG
VSNS_VBAT
VSYS
VSNS_VSYS
VREF_VSYS
VSNS_VDPM or VSYS_VOTG
Over
Current
Over
Voltage
Detect
VSNS_VSYS
VSNS_VBAT
VSNS_ICHG
VSNS_IDCHG
VSNS_IDPM
VSNS_VDPM
VSNS_IDCHG
Loop
Regulation
Reference
VREF_VSYS
VREF_VBAT
VREF_ICHG
VREF_IDPM
VREF_VDPM
EN_LEARN
EN_LDO
EN_CHRG
EN_HIZ
EN_LEARN
EN_LDO
EN_CHRG
BATDRV
VSYS
VSYS-10V
LDO Mode
Gate Control
BATPRESZ
CHRG_OK
Decoder
CELL_CONFIG
COMP1
COMP2
Decoder
EN_HIZ
EN_OTG
EN_OTG
EN_OTG
VDDA
8
9
10
VSNS_ICHG
VREF_IOTG
VREF_VOTG
1
6
20
19
22
12
13
5
11
18
26
23
27
24
25
29
28
7
32
31
30
21
17
16
15
14
Copyright © 2017, Texas Instruments Incorporated
EN_REGN
50ms Rising
Deglitch
22
bq25700A
SLUSCQ8A – MAY 2017 – REVISED MAY 2018
www.ti.com
Submit Documentation Feedback
Copyright © 2017–2018, Texas Instruments Incorporated
8.2 Functional Block Diagram



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