SC804 datasheet(3/21 Pages) SEMTECH

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SC804

PRELIMINARY

POWER MANAGEMENT

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Battery Leakage Current

(VOUT and BSEN)

ILEAK

BAT

VCC = 0V,

OUT = BSEN = 4.5V

0.1

μA

Regulated Constant

Voltage

0°C ≤ T

J ≤ 125°C

4.16

4.20

4.24

RGND Output Accuracy

VOUT = VOUT

NOM +

∆RGND

RGND

RGND - GND = 30mV

RGND Current

RGND

RGND = 0V

μA

Battery Pre-Charge

Current

PREQ

ITERM = 499Ω, 0°C ≤ TJ ≤ 125°C

270

300

330

Battery Termination

Current

TERM

ITERM = 499Ω, 0°C ≤ TJ ≤ 125°C

270

300

330

Battery Fast-Charge

Current

FAST

PRGM = 1.87kΩ, VOUT = 3.8V

0°C ≤ T

J ≤ 125°C

740

800

860

AFC DAC

Fast-Charge Current

DACADJ

PRGM = 1.87kΩ, V(AFC) = 0.75V

0°C ≤ T

J ≤ 125°C

360

400

440

AFC Enable/Disable

Threshold

AFC

VCC - V

AFC > VTAFC disables

Analog Fast Charge

ITERM Regulated

Voltage

ITERM

1.4

1.5

1.6

IPROG Regulated

Voltage

IPRGM

1.4

1.5

1.6

BAT Pre-Charge

Threshold

PreQ

0°C ≤ T

J ≤ 125°C

2.8

2.9

3.0

BAT Recharge Threshold

ReQ

CV - VBSEN, 0°C ≤ TA ≤ 85°C

100

140

Over-Temperature

Shutdown

Hysteresis = 10°C

150

°C

Electrical Characteristics (Cont.)

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