CDH2D09 查看數據表（PDF） - Maxim Integrated
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CDH2D09 Datasheet PDF : 44 Pages
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PMIC with Integrated Charger and
Smart Power Selector for Handheld Devices
ELECTRICAL CHARACTERISTICS (continued)
(DC, USB, BVSET, UOK, DOK, LX_ unconnected; VTHM = VL/2, VPG_ = VAGND = 0V, VBAT = 4V, CEN = low, USUS = low, EN = high,
VPEN1 = VPEN2 = 3.3V, VPWM = 0V, COUT4 = 1µF, COUT5 = 1µF, CSYS = 10µF, PV1 = PV2 = PV3 = PV4 = PV5 = SYS, RDISET = 3kΩ,
RCISET = 3kΩ, CVL = 0.1µF, CCT = 0.15µF, CBP = 0.01µF, VFB1 = 1.1V, VFB2 = 1.1V, VFB3 = 1.1V, TA = -40°C to +85°C, unless other-
wise noted.) (Note 2)
PARAMETER
BAT Fast-Charge Current Limit
BAT Prequalification Current
Top-Off Threshold
SYMBOL
CONDITIONS
Low-power USB charging from the USB
input, DC unconnected, RCISET = 3kΩ,
PEN2 = low, USUS = low
Low-power USB charging from the DC
input, RCISET = 3kΩ, PEN1 = low,
PEN2 = low, USUS = low
High-power USB charging from the USB
input, DC unconnected, RCISET = 3kΩ,
PEN2 = high, USUS = low
High-power USB charging from the DC
input, RCISET = 3kΩ, PEN2 = high,
USUS = low
AC-to-DC adapter charging from the DC
input, RDISET = 3kΩ, RCISET = 15kΩ,
PEN1 = high
AC-to-DC adapter charging from the DC
input, RDISET = 3kΩ, RCISET = 7.5kΩ,
PEN1 = high
AC-to-DC adapter charging from the DC
input, RDISET = 3kΩ, RCISET = 3.74kΩ,
PEN1 = high
VBAT = 2.5V, RCISET = 3.74kΩ
TA = +25°C, RCISET = 3.74kΩ (Note 6)
MIN TYP MAX UNITS
87
92
100
87
92
100
450
472
500
450
472
500
mA
170
200
230
375
400
425
750
802
850
65
82
100
mA
20
30
40
mA
BAT Leakage Current
EN = low,
TA = +25°C
No DC or USB power
connected
DC and/or USB power
connected, CEN = high
-5
0
+5
µA
1
+5
Charger Soft-Start Time
Timer Accuracy
tSS_CHG
Slew rate
Time from 0mA to 500mA
Time from 0mA to 100mA
Time from 100mA to 500mA
CCT = 0.15µF
450
mA/ms
1.10
0.22
ms
0.88
-20
+20
%
Timer Suspend Threshold
CISET voltage when the fast-charge timer
suspends; 300mV translates to 20% of the
250
300
350
mV
maximum fast-charge current limit
Timer Extend Threshold
CISET voltage when the fast-charge timer
suspends; 750mV translates to 50% of the
700
750
800
mV
maximum fast-charge current limit
_______________________________________________________________________________________ 7
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