MAX17435 查看數據表（PDF） - Maxim Integrated

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产品描述 (功能)

生产厂家

MAX17435

High-Frequency, Low-Cost SMBus Chargers

Maxim Integrated 

High-Frequency,

Low-Cost SMBus Chargers

ELECTRICAL CHARACTERISTICS (continued)

(Circuit of Figure 1, no load on LDO, VDCIN = VCSSP = VCSSN = 19V, VLX = 0V, VBST - VLX = 5V, VBATT = VCSIP = VCSIN = 16.8V,

TA = -40°C to +85°C, unless otherwise noted.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

BATT + CSIP + CSIN + LX Input

Current

DCIN Input Current

VCC Supply Current

IDCIN

ICC

VBATT = 16.8V

Adapter absent or charger

shut down (Note 1)

VBATT = 2V to 19V, adapter present (Note 1)

Charger disabled

Charger enabled

DCIN Input Voltage Range

for Charger

8

MAX

1.5

650

1

2.5

26

UNITS

FA

mA

mA

V

DCIN Undervoltage-Lockout

Trip Point for Charger

DCIN Input Voltage Range

CHARGE-VOLTAGE REGULATION

Battery Full-Charge Voltage

and Accuracy

VDCIN falling

VDCIN rising

ChargingVoltage() = 0x41A0

ChargingVoltage() = 0x3130

ChargingVoltage() = 0x20D0

ChargingVoltage() = 0x1060

7

8

16.73

-0.416

12.516

-0.6

8.333

-0.8

4.15

-1.0

V

7.9

26

V

16.87

V

+0.416 %

12.668 V

+0.6

%

8.467

V

+0.8

%

4.234

V

+1.0

%

Battery Undervoltage-Lockout

Trip Point for Trickle Charge

CHARGE-CURRENT REGULATION

CSIP-to-CSIN Full-Scale

Current-Sense Voltage

3

78.22

4

V

83.06 mV

Charge Current and Accuracy

RS2 = 10mI, Figure 1,

ChargingCurrent() = 0x1f80

RS2 = 10mI, Figure 1,

ChargingCurrent() = 0x0f80

RS2 = 10mI, Figure 1,

ChargingCurrent() = 0x0080

7.822

-3

3.829

-3.5

64

-50

8.306

A

+3

%

4.107

A

+3.5

%

192

mA

+50

%

Charge-Current Gain Error

Based on ChargeCurrent() = 128mA and

8.064A

-2

+2

%

6   _______________________________________________________________________________________

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