MAX1535A 데이터 시트보기 (PDF) - Maxim Integrated

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MAX1535A

Highly Integrated Level 2 Smbus Battery Charger

Maxim Integrated 

Highly Integrated Level 2 SMBus

Battery Charger

ELECTRICAL CHARACTERISTICS (continued)

(Circuit of Figure 1. VDCIN = VCSSP = VCSSN = 18V, VBATT = VCSIP = VCSIN = 12V, VDD = 3.3V, ACIN = PGND = GND, LDO = DLOV,

VMAX = IMAX = REF, CLDO = 1µF, CDHIV = 0.1µF, CREF = 1µF, TA = -40°C to +85°C, unless otherwise noted.) (Note 2)

PARAMETER

GMI Transconductance

GMS Transconductance

CCI Clamp Voltage

CCV Clamp Voltage

CCS Clamp Voltage

ACOK

ACOK Input Voltage Range

ACOK Sink Current

PDS, PDL SWITCH CONTROL

PDS Switch Turn-Off Threshold

PDL Switch Turn-On Threshold

PDS Output Low Voltage, PDS

Below SRC

PDS Turn-On Current

PDS Turn-Off Current

PDL Turn-On Resistance

PDL Turn-Off Current

PDL and PDS Transition Delay

Time

CONDITIONS

ChargeCurrent() = 0x1F80, VCSIP - VCSIN = 80.64mV

InputCurrent() = 0x1580, VCSSP - VCSSN = 110.08mV

0.25V < VCCI < 2.0V

0.25V < VCCV < 2.0V

0.25V < VCCS < 2.0V

V ACOK = 0.4V, ACIN = 1.5V

DCIN with respect to BATT, DCIN falling

DCIN with respect to BATT, DCIN falling

IPDS = 0

PDS = SRC

VPDS = VSRC - 2V, VDCIN = 16V

PDL = GND

VCSSN - VPDL = 1.5V

PDS and PDL are unloaded

MIN TYP MAX UNITS

0.5

2

µA/mV

0.5

2

µA/mV

140

600

mV

140

600

mV

140

600

mV

0

28

V

1

mA

40

160

mV

40

160

mV

8

12

V

6

mA

10

mA

40

160

kΩ

6

mA

4

15

µs

PDL-to-PDS Switchover Time in

Relearn Mode

PDS and PDL are unloaded

MAXIMUM CHARGE-VOLTAGE SETTING

VMAX Input Voltage Range

VMAX to VBATT Ratio

VVMAX = 2V, ChargeVoltage() = 0x4B00

MAXIMUM CHARGE-CURRENT SETTING

IMAX Input Voltage Range

IMAX to ICHARGE Ratio

VIMAX = 0.8V, ChargeCurrent() = 0x1F80

THERMISTOR COMPARATOR

Thermistor Overrange Threshold VDD = 2.7V to 5.5V, THM falling

Thermistor Cold Threshold

VDD = 2.7V to 5.5V, THM falling

Thermistor Hot Threshold

VDD = 2.7V to 5.5V, THM falling

Thermistor Underrange Threshold VDD = 2.7V to 5.5V, THM falling

SMBus INTERFACE LEVEL SPECIFICATIONS (VDD = 2.7V TO 5.5V)

SDA/SCL Input Low Voltage

SDA/SCL Input High Voltage

SDA, INT Output Sink Current

INT Output Low Voltage

VDD = 2.7V to 5.5V

VDD = 2.7V to 5.5V

VSDA = 0.4V

I INT = 1mA

4

16

µs

0

VREF

V

4.9

5.1

V/V

0

VREF

V

4.5

5.5

A/V

89.5

73.5

21.5

3.5

92.5

76.5

24.5

6.5

% of VDD

% of VDD

% of VDD

% of VDD

0.8

V

2.15

V

6

mA

200

mV

8 _______________________________________________________________________________________

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