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MAX8845XETC+

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19
MAX8845Z/MAX8845Y/MAX8845X/MAX8845W
28V Linear Li+ Battery Chargers with Battery
Detection and Overvoltage Protected Output
______________________________________________________________________________________ 13
VBUS
GPIO
GPIO
GPIO
GPIO
POWER
SUPPLY
ON
SYSTEM
4.2V Li+
POK
V
I/O
CHG
MINI-USB
CONNECTOR
R
SETIA
15.4k
Ω
R
SETI
3.42k
Ω
C
BATT
2.2µF
C
SAFEOUT
1µF
R
CHG
1MΩ
R
POK
1MΩ
EN
EP
GND
MIN
R
MIN
3.09kΩ
BATT
DETBAT
SAFEOUT
IN
ABI
ABO
SETI
MAX8845Z
C
IN
1µF
GND
Figure 5. Mini USB Battery Charger
MAX8845Z/MAX8845Y/MAX8845X/MAX8845W
28V Linear Li+ Battery Chargers with Battery
Detection and Overvoltage Protected Output
14 ______________________________________________________________________________________
V
IN
V
SAFEOUT
POK
OVP
OVP
TIME
V
CHG
V
EN
V
SAFEOUT
= 4.7V
(4.85V FOR
MAX8845X ONLY)
V
POK
Figure 6. Timing Diagram
MAX8845Z/MAX8845Y/MAX8845X/MAX8845W
IN
BATT
(MAX8845Z, ABO)
(MAX8845Y/MAX8845X/MAX8845W, ABO)
DETBAT
SAFEOUT
POK
CHG
EP
C
BATT
2.2µF
SYSTEM
SUPPLY
GND
MIN
R
MIN
1.75kΩ
ABI
EN
ON
OFF
SETI
V
SAFEOUT
1µF
4.25V (4.4V FOR
MAX8845W ONLY) TO 28V
C
IN
1µF
R
SET
2.80kΩ
4.2V (4.35V FOR MAX8845W ONLY)
Li+
MAX8845Z
MAX8845Y
MAX8845X
MAX8845W
Typical Operating Circuit
28V Linear Li+ Battery Chargers with Battery
Detection and Overvoltage Protected Output
______________________________________________________________________________________ 15
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19

MAX8845XETC+

Mfr. #:
Buy MAX8845XETC+
Manufacturer:
Maxim Integrated
Description:
Battery Management 28V Linear Li+ Battery Charger
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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