Apple Battery Charger User Manual download pdf (Page 3)

3Maxim Integrated

USB Battery Charger Detectors

MAX14578E/MAX14578AE

ELECTRICAL CHARACTERISTICS (continued)

BAT

= +2.8V to +5.5V, V

= +3.5V to +5.5V, T

= -40NC to +85NC, unless otherwise noted. Typical values are at V

BAT

= +3.6V,

= +5.0V, T

= +25NC.) (Note 4)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

BAT Supply Current I

BAT

MAX14578E

BAT

= +3.6V,

= 0V, CP_ENA = 0,

USBSWC = 0

1 2.5

BAT

= +4.2V,

= 0V, CP_ENA = 1,

USBSWC = 1,

SDA

= V

SCL

= 1.8V

34.5 59

MAX14578AE

BAT

= +3.6V,

< V

VBRAW

, V

+3.6V

1 2.5

BAT

= +4.2V,

= 0V, V

= 0V

1.3 30

Supply current increase

when V

= 1.6V,

BAT

= +4.2V

1.3 3.5

Supply Current I

MAX14578E

= +5.5V,

CP_ENA = 0,

USBSWC = 0

87 140

MAX14578AE

= +5.5V,

= 0V

190 295

= +5.0V,

= 0V

4.1 mA

= +5.5V,

= +5.5V

75 125

LOUT (LDO OUT) (MAX14578AE ONLY)

LOUT Current Limit I

LOUT

95 mA

LOUT Voltage V

LOUT

= 10mA, V

= 5.0V 4.87 4.94

LOUT

= 0mA, V

= 6.0V 4.0 5.3 5.5

LOUT Debounce Time t

LOUT_DEB

= 5.0V to V

LOUT

= 4.5V 20 ms

LOUT Turn-On Time 100

Themal Shutdown +141

Themal Shutdown Hysteresis 20

CHARGER DETECTION

DP_SRC

Voltage V

DP_SRC

0.5 0.7 V

DAT_REF

Voltage V

DAT_REF

0.25 0.4 V

LGC

Voltage V

LGC

0.8 2.0 V

DP_SRC

Current I

DP_SRC

6.6 11

CD+ and CD- Sink Current

CD+_SINK

CD-_SINK

50 150

Resistance R

200 330 500

TD+ Pulldown Resistor R

TD+_DWN

15 20 25

1 2 3 4 5 6 7 8 ... 22 23

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Apple Battery Charger User Manual Page 3

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