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MAX8844ZETD+T

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
MAX8844Z/MAX8844Y
28V Dual Input Linear Li+ Battery Chargers with
Battery Detection and Overvoltage-Protected Output
16 ______________________________________________________________________________________
V
IN
V
USB
V
SAFEOUT
V
SAFEUSB
POK
POK
OVP
OVP
OVP
OVP
TIME
V
CHG
V
EN
V
SAFEUSB
= 4.7V
V
SAFEOUT
= 4.7V
V
POK
Figure 7. Timing Diagram
MAX8844Z/MAX8844Y
28V Dual Input Linear Li+ Battery Chargers with
Battery Detection and Overvoltage-Protected Output
MAX8844Z
MAX8844Y
TDFN
TOP VIEW
245
13 11 10
SAFEUSB
GND
EN
POK
ABI
ABO/ABO*
1
14
SAFEOUTIN
3
12
BATTUSB
6
9
CHGMIN
7
8
DETBATSETI
+
*EXPOSED PAD
* = ABO—MAX8844Z, ABO—MAX8844Y
Pin Configuration
IN
BATT
(MAX8844Z, ABO)
DETBAT
SAFEOUT
SAFEUSB
POK
CHG
EP
C
BATT
2.2μF
SYSTEM
SUPPLY
GND
MIN
R
MIN
1.75kΩ
ABI
EN
ON
OFF
SETI
C
SAFEOUT
1μF
4.25V TO 28V
C
IN
1μF
R
SETI
2.80kΩ
4.2V
Li+
MAX8844Z
MAX8844Y
C
SAFEUSB
1μF
USB
4.25V TO 28V
C
USB
1μF
(MAX8844Y, ABO)
Typical Operating Circuit
Chip Information
PROCESS: BiCMOS
Package Information
For the latest package outline information and land patterns, go
to www.maxim-ic.com/packages
.
PACKAGE TYPE PACKAGE CODE DOCUMENT NO.
14 TDFN-EP
(3mm x 3mm)
T1433-2
21-0137
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________
17
© 2009 Maxim Integrated Products Maxim is a registered trademark of Maxim Integrated Products, Inc.
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17

MAX8844ZETD+T

Mfr. #:
Buy MAX8844ZETD+T
Manufacturer:
Maxim Integrated
Description:
Battery Management 28V Linear Li+ Battery Charger
Lifecycle:
New from this manufacturer.
Delivery:
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