BQ24156AYFFR datasheet(10/45 Pages) TI

Part #	BQ24156AYFFR

Description	Fully Integrated Switch-Mode One-Cell Li-Ion Charger

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Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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10 / 45 page

VBUS

2V/div

VSW

2V/div

I

20mA/div

BUS

10mS/div

500mS/div

VSW

5V/div

I

200mA/div

BAT

VBUS

1V/div

IBUS

0.2 A/div

0.5mS/div

I

0.1 A/div

BAT

OTG

2V/div

WriteCommand

15MinuteMode

32SMode

1S/div

VBUS

10mV/div,

5.05VOffset

IL

100mA/div

100nS/div

VBAT

10mV/div,

3.5VOffset

VSW

2V/div

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

0

0.1

0.2 0.3

0.4 0.5

0.6 0.7

0.8 0.9

1

1.1

1.2 1.3

1.4 1.5

ChargeCurrent- A

Vbat=3.6V

Vbat=4.2V

Vbat=3V

bq24153A, bq24156A

bq24158, bq24159

SLUSAB0A

– OCTOBER 2010 – REVISED FEBRUARY 2012

www.ti.com

TYPICAL PERFORMANCE CHARACTERISTICS (continued)

POOR SOURCE DETECTION

CHARGE CURRENT RAMP UP

Figure 10. VBUS = 5 V at 8 mA, VBAT = 3.2V,

Figure 11. Vin = 5 V, VBAT = 3. 2V, No Input Current Limit,

ICHG = 1550mA

Iin_limit = 100 mA, ICHG = 550 mA

INPUT CURRENT CONTROL (bq24153A/8)

VIN BASED DPM

Figure 12. VBUS = 5 V, VBAT = 3.1V, Iin_limit = 100/500 mA,

Figure 13. VBUS = 5 V at 500 mA, VBAT = 3.5V,

(OTG Control, 15 Minute Mode), Iin_limit = 100 mA

ICHG = 1550 mA,

VIN_DPM = 4.52 V

(I2C Control, 32 Second Mode)

CHARGER EFFICIENCY

BOOST WAVEFORM (PWM MODE)

Figure 14.

Figure 15. VBUS = 5.05 V, VBAT = 3.5V, IBUS = 217 mA

10

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Product Folder Link(s): bq24153A bq24156A bq24158 bq24159

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BQ24156AYFFR Datasheet(PDF) 10 Page - Texas Instruments

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