TPS65090 Datasheet, PDF (8/69 Pages) Texas Instruments – Front-End PMU With Switched-Mode Charger for 2 to 3 Cells In Series

TPS65090
SLVSBO6B – JANUARY 2013 – REVISED JULY 2015
Recommended Operating Conditions (continued)
FET5
Supply voltage at INFET5
FET6
Supply voltage at INFET6
FET7
Supply voltage at INFET7
CONTROL
Supply voltage at VCTRL2
GENERAL
Operating free-air temperature, T_A
Operating junction temperature, T_J
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MIN NOM MAX UNIT
3
5.5
V
3
5.5
V
3
5.5
V
3
5.5
V
–40
85 °C
–40
125 °C
6.4 Thermal Information
THERMAL METRIC⁽¹⁾
TPS65090A
RVN [VQFN-MR]
UNIT
100 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
24.8
°C/W
5.6
°C/W
3.9
°C/W
0.1
°C/W
3.9
°C/W
0.1
°C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report, SPRA953.
6.5 Electrical Characteristics - Power Path Control
over recommended free-air temperature range and over recommended input voltage range (typical at an ambient temperature
range of 25°C) (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
VAC overvoltage disconnect
17 17.6 18.2 V
VAC overvoltage hysteresis
550
mV
VAC undervoltage lockout
VAC undervoltage lockout hysteresis
V_AC voltage decreasing
5 5.5
550
6V
mV
Maximum input DPM current programming
range
1000
4000 mA
(V_ACP - V_ACN) voltage to maximum input DPM
current gain
100
A/V
Input DPM current regulation
Maximum battery discharge current
comparator threshold
VACS input impedance
V_ACP - V_ACN, IACSET = 0
V_ACP - V_ACN, IACSET = 1
V_BAT - V_SRN, IBATSET = 0, T_A = 25°C
V_BAT - V_SRN, IBATSET = 1, T_A = 25°C
40
44
48 mV
36
40
44 mV
17.5
20
21 mV
15 17.5 18.5 mV
1000
kΩ
VAC input impedance
25
kΩ
Gate drive current on ACG
12
μA
Gate drive current on BATG
Turnon
500
μA
Gate drive current on BATG
Turnoff
25
mA
BATG turnoff delay time after adapter is
detected
30
ms
8
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