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BQ25708 Folha de dados(PDF) 8 Page - Texas Instruments

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Nome de Peças BQ25708
Descrição Electrónicos  SMBus Multi-Chemistry Battery Buck-Boost Charge Controller With System Power Monitor and Processor Hot Monitor
PDF  77 Pages
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Fabricante Electrônico  TI1 [Texas Instruments]
Página de início  http://www.ti.com
Logo TI1 - Texas Instruments

BQ25708 Folha de dados(HTML) 8 Page - Texas Instruments

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bq25708
SLUSCU2 – NOVEMBER 2017
www.ti.com
Product Folder Links: bq25708
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Copyright © 2017, Texas Instruments Incorporated
(1)
For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report.
7.4 Thermal Information
THERMAL METRIC(1)
bq25708
UNIT
RSN (WQFN)
32 PINS
RθJA
Junction-to-ambient thermal resistance
37.2
°C/W
RθJC(top)
Junction-to-case (top) thermal resistance
26.1
°C/W
RθJB
Junction-to-board thermal resistance
7.8
°C/W
ψJT
Junction-to-top characterization parameter
0.3
°C/W
ψJB
Junction-to-board characterization parameter
7.8
°C/W
RθJC(bot)
Junction-to-case (bottom) thermal resistance
2.3
°C/W
7.5 Electrical Characteristics
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VINPUT_OP
Input voltage operating range
3.5
26
V
REGULATION ACCURACY
MAX SYSTEM VOLTAGE REGULATION
VSYSMAX_RNG
System voltage regulation,
measured on VSYS
1.024
19.2
V
VSYSMAX_ACC
System voltage regulation
accuracy (charge disable)
REG0x15() = 0x41A0H
(16.800 V)
VSRN + 160 mV
V
–2%
2%
REG0x15() = 0x3130H
(12.592 V)
VSRN + 160 mV
V
–2%
2%
REG0x15() = 0x20D0H
(8.400 V)
VSRN + 160 mV
V
–3%
3%
REG0x15() = 0x1060H
(4.192 V)
VSRN + 160 mV
V
–3%
3%
MINIMUM SYSTEM VOLTAGE REGULATION
VSYSMIN_RNG
System voltage regulation,
measured on VSYS
1.024
19.2
V
VSYSMIN_REG_ACC
Minimum system voltage
regulation accuracy (charge
enable, VBAT below
REG0x3E() setting)
REG0x3E() = 0x3000H
12.288
V
–2%
2%
REG0x3E() = 0x2400H
9.216
V
–2%
2%
REG0x3E() = 0x1800H
6.144
V
–3%
3%
REG0x3E() = 0x0E00H
3.584
V
–3%
4%
CHARGE VOLTAGE REGULATION
VBAT_RNG
Battery voltage regulation
1.024
19.2
V
VBAT_REG_ACC
Battery voltage regulation
accuracy (charge enable)
(0°C to 85°C)
REG0x15() = 0x41A0H
16.8
V
–0.5%
0.5%
REG0x15() = 0x3130H
12.592
V
–0.5%
0.5%
REG0x15() = 0x20D0H
8.4
V
–0.6%
0.6%
REG0x15() = 0x1060H
4.192
V
–1.1%
1.2%



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