MAX8600A 查看數據表（PDF） - Maxim Integrated

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MAX8600A

Single-Input 1-Cell Li+ Charger with OVP Protection and Programmable Charge Timer

Maxim Integrated 

Single-Input 1-Cell Li+ Charger with

OVP Protection and Programmable Charge Timer

ELECTRICAL CHARACTERISTICS (continued)

(VDC = 5V, VBAT = 3.6V, V EN = 0V, RSETI = 2kΩ, CCT = 0.068µF, TA = -40°C to +85°C, unless otherwise noted. Typical values are at

TA = +25°C.) (Note 1)

PARAMETER

CONDITIONS

MIN TYP MAX UNITS

EN

Logic Input Thresholds

Rising

Falling

1.6

V

0.4

Logic Input Resistance to

GND

POK

Logic Output Voltage, Low

Logic Output Leakage

Current, High

CHG, FLT

Logic Output Voltage, Low

Logic Output Leakage

Current, High

CHG

CHG/Top-Off Current

Threshold

THM

THM Pullup Resistance

THM Resistance, Hot

THM Resistance, Cold

THM Resistance, Disabled

TIMERS, CT

Timer Accuracy

Prequal Time Limit

Charge Time Limit

Top-Off Time Limit

THERMAL LOOP

IPOK = 100µA

VPOK = VDC = 16V

TA = +25°C

TA = +85°C

ICHG = IFLT = 1mA

VCHG = VFLT = 5.5V,

VDC = 0V

TA = +25°C

TA = +85°C

IBAT falling, battery is

charged

RSETI = 1.5kΩ

RSETI = 2kΩ

RSETI = 5kΩ

Match to thermistor resistance at TA = +25°C

RTHM falling, 420Ω hysteresis

RTHM rising, 2.7kΩ hysteresis

RTHM falling, 230Ω hysteresis

CCT = 0.068µF

From POK low and EN low to end of prequal charge,

BAT < 2.4V, CCT = 0.068µF

From POK low and EN low to end of charge, CCT = 0.068µF

From CHG high to done, CCT = 0.068µF

250 485 1000

kΩ

29

100

mV

0.001 1

µA

0.01

12

100

mV

0.001 1

µA

0.01

60

30

45

60

mA

18

-1%

10 +1%

kΩ

3.72 3.94 4.13

kΩ

26.7 28.3 29.7

kΩ

240 309 370

Ω

-20

+20

%

34.8

min

334

min

69.6

min

Thermal-Limit Temperature

Thermal-Limit Gain

Junction temperature when the charge current is reduced,

TJ rising

Reduction of IBAT for increase of TJ, IBAT/TJ (over +100°C)

+100

5

°C

%/°C

Note 1: Limits are 100% production tested at TA = +25°C. Limits over the operating temperature range are guaranteed by design

and characterization.

Note 2: Guaranteed by undervoltage- and overvoltage-threshold testing. For complete charging, the input voltage must be greater

than 4.35V.

_______________________________________________________________________________________ 3

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