BQ25601 Datasheet, PDF (7/60 Pages) Texas Instruments – I2C Controlled 3-A, Single-Cell Battery Charger for High Input Voltage and Narrow Voltage DC (NVDC) Power Path Management

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SLUSCK5 – MARCH 2017
7.3 Thermal information
THERMAL METRIC⁽¹⁾
bq25601
RTW (WQFN)
UNIT
24 PinS
R_θJA
R_θJC(top)
R_θJB
Ψ_JT
Ψ_JB
R_θJC(bot)
Junction-to-ambient thermal resistance
Junction-to-case (top) thermal resistance
Junction-to-board thermal resistance
Junction-to-top characterization parameter
Junction-to-board characterization parameter
Junction-to-case (bottom) thermal resistance
35.6
°C/W
22.7
°C/W
11.9
°C/W
0.2
°C/W
12
°C/W
2.6
°C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report, SPRA953.
7.4 Electrical Characteristics
V_{VAC_UVLOZ} < V_VAC < V_{VAC_OV} and V_VAC > V_BAT + V_SLEEP, T_J = –40°C to 125°C and T_J = 25°C for typical values (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
QUIESCENT CURRENTS
I_BAT
Battery discharge current (BAT,
SW, SYS) in buck mode
V_BAT = 4.5 V, V_BUS < V_AC-UVLOZ,
leakage between BAT and VBUS,
T_J< 85°C
V_BAT = 4.5 V, HIZ Mode and
I_BAT
Battery discharge current (BAT) OVPFET_DIS = 1 or No VBUS, I2C
in buck mode
disabled, BATFET Disabled. T_J <
85°C
5
17
33
V_BAT = 4.5 V, HIZ Mode and
I_BAT
Battery discharge current (BAT, OVPFET_DIS = 1 or No VBUS, I2C
SW, SYS)
Disabled, BATFET Enabled. T_J <
85°C
58
85
I_{VBUS_HIZ}
Input supply current (VBUS) in
buck mode
V_VBUS = 5 V, High-Z Mode and
OVPFET_DIS = 1, No battery
37
50
I_{VBUS_HIZ}
Input supply current (VBUS) in
buck mode
V_VBUS = 12 V, High-Z Mode and
OVPFET_DIS = 1, No battery
68
90
I_VBUS
Input supply current (VBUS) in
buck mode
V_VBUS = 12 V, V_VBUS > V_VBAT,
converter not switching
1.5
3
I_VBUS
Input supply current (VBUS) in
buck mode
V_VBUS > VUVLO, V_VBUS > V_VBAT,
converter switching, VBAT = 3.8V,
ISYS = 0A
3
I_BOOST
Battery Discharge Current in
boost mode
V_BAT = 4.2 V, boost mode, I_VBUS = 0
A, converter switching
3
VBUS, VAC AND BAT PIN POWER-UP
V_{BUS_OP}
V_{VAC_UVLOZ}
V_{VAC_UVLOZ_HYS}
V_{VAC_PRESENT}
VBUS operating range
VBUS for active I²C, no battery
Sense VAC pin voltage
I²C active hysteresis
One of the conditions to turn on
REGN
V_VBUS rising
V_VAC rising
V_AC falling from above V_{VAC_UVLOZ}
V_VAC rising
3.9
13.5
3.3
3.6
300
3.65
3.9
V_{VAC_PRESENT_HYS}
One of the conditions to turn on
REGN
V_VAC falling
500
V_SLEEP
V_SLEEPZ
V_{VAC_OV_RISE}
Sleep mode falling threshold
Sleep mode rising threshold
VAC 6.5-V Overvoltage rising
threshold
(V_VAC–V_VBAT ), V_{BUSMIN_FALL} ≤ V_BAT
≤ V_REG, VAC falling
(V_VAC–V_VBAT ), V_{BUSMIN_FALL} ≤ V_BAT
≤ V_REG, VAC rising
VAC rising; OVP (REG06[7:6]) = '01'
15
60
110
115
220
340
6.1
6.4
6.7
UNIT
µA
µA
µA
µA
µA
mA
mA
mA
V
V
mV
V
mV
mV
mV
V
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