ADP5350ACBZ-1-R7 datasheet(4/63 Pages) AD

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ADP5350

Data Sheet

Rev. B | Page 4 of 63

SPECIFICATIONS

BATTERY CHARGER SPECIFICATIONS

−40°C < TJ < 125°C, VVBUSx = 5.0 V, RNTC = 47 kΩ, VVIN4 = VVIN123 = VISOS= 3.6 V, C1 = 2.2 µF, C2 = 4.7 µF, C3 = 10 µF, C4 = 10 µF, C11 = 2.2 µF,

L1 = 1.5 µH, all registers are at default values, unless otherwise noted.

Table 1.

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

GENERAL PARAMETERS

TJ = 0°C to 85°C

Undervoltage Lockout

VUVLO

On BSNS, rising threshold, no VVBUSx

2.45

2.6

On BSNS, falling threshold, no VVBUSx

2.2

2.3

Input Current Limit

ILIM

Set ILIM[3:0] = 100 mA

100

Set ILIM[3:0] = 500 mA

475

500

Operation Current

All enabled, no load, from VBUSx pin

Only fuel gauge enabled (active), from

ISOB, no VVBUSx

160

230

µA

Only fuel gauge enabled (sleep), from

ISOB, no VVBUSx1

µA

Only boost regulator enabled, all LEDs

enabled, no LED current, from ISOB, no

VVBUS

2.6

Only LDO1 enabled, from ISOB, no

VVBUSx

0.8

µA

Only LDO2 enabled, from ISOB, no

VVBUSx

160

230

µA

Only LDO3 enabled, from ISOB, no

VVBUSx

160

230

µA

Shutdown Current

ISTDN

All disabled, from ISOB and BSNS,

no VVBUSx

0.2

2.8

µA

CHARGING PARAMETERS

Fast Charge Current, Constant

Current Mode

ICHG

Programmable via I2C,

battery voltage > VTRK_DEAD

650

Fast Charge Current Accuracy

ICHG = 200 mA

180

200

220

TJ = 25°C, ICHG = 200 mA

−2.5

+2.5

Trickle Charge Current2

ITRK_DEAD

Weak Charge Current

ICHG_WEAK

When VTRK_DEAD < VBSNS < VWEAK

ICHG + ITRK_DEAD

Dead Battery, Trickle to Weak

Charge Threshold2

VTRK_DEAD

On BSNS

2.4

2.5

2.62

Weak Battery

Weak to Fast Charge Threshold2

VWEAK

On BSNS

2.9

3.0

3.15

Weak Battery Threshold

Hysteresis1

ΔVWEAK

Battery Termination Voltage2

VTRM

On BSNS, TJ = 0°C to 85°C

4.158

4.200

4.242

On BSNS, TJ = 25°C

−0.3

+0.3

Battery Overvoltage Threshold

VBAT_OV

Relative to CFL1 voltage, BSNS rising,

VCLF1 = 4.0 V

VCFL1 − 0.15

Charge Complete Current2

IEND

VBSNS = VTRM, TJ = 0°C to 85°C

Recharge Voltage Differential2

VRCH

Relative to VTRM, BSNS falling

260

Battery Node Short Threshold

Voltage2

VBAT_SHR

2.3

2.4

2.52

CHARGER DC-TO-DC REGULATOR

Switching Frequency

fSW_CHG

2.7

3.3

MHz

Maximum Duty Cycle3

DMAX

Peak Inductor Current

IL1_PK

1500

1750

2200

Regulated System Voltage

VISOS_TRK

VBSNS < VTRK_DEAD, trickle charge mode

VTRM + 0.1

ADP5350ACBZ-1-R7 Datenblatt(PDF) 4 Page - Analog Devices

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