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BQ25120YFPT Datasheet(PDF) 8 Page - Texas Instruments

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Part # BQ25120YFPT
Description  Highly Integrated Battery Charge Management Solution
Download  68 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

BQ25120YFPT Datasheet(HTML) 8 Page - Texas Instruments

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BQ25120, BQ25121
SLUSBZ9B – AUGUST 2015 – REVISED MAY 2016
www.ti.com
Product Folder Links: BQ25120 BQ25121
Submit Documentation Feedback
Copyright © 2015–2016, Texas Instruments Incorporated
8.5 Electrical Characteristics
Circuit of Figure 1, V(UVLO) < VIN < V(OCP) and VIN > V(BAT) + V(SLP), TJ = –40 to 85°C and TJ = 25°C for typical values (unless
otherwise noted)
PARAMETERS
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INPUT CURRENTS
IIN
Supply Current for
Control
V(UVLO) < VIN < V(OVP) and VIN > V(BAT) + V(SLP) PWM Switching,
–40 < TJ < 85
1
mA
V(UVLO) < VIN < V(OVP) and VIN > V(BAT) + V(SLP) PWM NOT
Switching
3
mA
0°C < TJ < 85°C, VIN = 5 V, Charge Disabled
1.5
mA
I(BAT_HIZ)
Battery discharge current
in High Impedance Mode
0°C < TJ < 60°C, VIN = 0 V, High-Z Mode, PWM Not Switching,
V(BUVLO) < V(BAT) < 4.65V
0.7
1.2
µA
0°C < TJ < 60°C, VIN = 0 V, High-Z Mode, PWM Not Switching,
V(BUVLO) < V(BAT) < 6.6 V
0.9
1.5
µA
0°C < TJ < 60°C, VIN = 0 V or floating, High-Z Mode, PWM
Switching, No Load
0.75
3.5
µA
0°C < TJ < 85°C, VIN = 0 V, High-Z Mode, PWM Switching,
LSLDO enabled
1.35
4.25
µA
I(BAT_ACTIVE
)
Battery discharge current
in Active Battery Mode
0°C < TJ < 85°C, VIN = 0 V, Active Battery Mode, PWM
Switching, LSLDO enabled, I2C Enabled, V(BUVLO) < V(BAT) < 4.65
V
6.8
12
µA
0°C < TJ < 85°C, 0 < VIN < VIN(UVLO), Active Battery Mode, PWM
Switching, LSLDO disabled, I2C Enabled, /CD = Low, V(BUVLO) <
V(BAT) < 4.65 V
6.2
11
µA
I(BAT_SHIP)
Battery discharge current
in Ship Mode
0°C < TJ < 85°C, VIN = 0 V, Ship Mode
2
150
nA
POWER-PATH MANAGEMENT and INPUT CURRENT LIMIT
VDO(IN-PMID) VIN – V(PMID)
VIN = 5 V, IIN = 300 mA
125
170
mV
VDO(BAT-
PMID)
V(BAT) – V(PMID)
VIN = 0 V, V(BAT) > 3 V, Iff = 400 mA
120
160
mV
V(BSUP1)
Enter supplement mode
threshold
V(BAT) > V(BUVLO)
V(PMID) <
V(BAT) – 25
mV
V
V(BSUP2)
Exit supplement mode
threshold
V(BAT) > V(BUVLO)
V(PMID) <
V(BAT)
5mV
V
I(BAT_OCP)
Current Limit, Discharge
Mode
V(BAT) > V(BUVLO)
0.85
1.15
1.35
A
I(ILIM)
Input Current Limit
Programmable Range, 50-mA steps
50
400
mA
Maximum Input Current
using ILIM
K(ILIM) /
R(ILIM)
IILIM accuracy IILIM
accuracy
50 mA to 100 mA
–12%
12%
100 mA to 400 mA
–5%
5%
K(ILIM)
Maximum input current
factor
I(ILIM) = 50 mA to 100 mA
175
200
225
A
Ω
I(ILIM) = 100 mA to 400 mA
190
200
210
A
Ω
VIN(DPM)
Input voltage threshold
when input current is
reduced
Programmable Range using VIN(DPM) Registers. Can be disabled
using VIN(DPM_ON)
4.2
4.9
V
VIN_DPM threshold
accuracy
–3%
3%
BATTERY CHARGER
VD(PPM)
PMID voltage threshold
when charge current is
reduced
Above V(BATREG)
0.2
V
RON(BAT-
PMID)
Internal Battery Charger
MOSFET on-resistance
Measured from BAT to PMID, V(BAT) = 4.35 V, High-Z mode
300
400
m
Ω
V(BATREG)
Charge Voltage
Operating in voltage regulation, Programmable Range, 10mV
steps
3.6
4.65
V
Voltage Regulation
Accuracy
TJ = 25°C
–0.5%
0.5%
TJ = 0°C to 85°C
–0.5%
0.5%


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