MAX1647EAP Maxim Integrated Products, MAX1647EAP Datasheet - Page 14

• Manufacturer Part Number: MAX1647EAP
• Description: Battery Charger Lead-Acid/Li-Ion/NiCD/NiMH 4000mA 18V 20-Pin SSOP
• Manufacturer: Maxim Integrated Products
• Type: Battery Chargerr

Specifications of MAX1647EAP

• Package: 20SSOP
• Battery Type: Lead-Acid|Li-Ion|NiCD|NiMH
• Operating Supply Voltage: 7.5 to 28 V
• Output Current: 4000 mA
• Output Voltage: 18(Max) V

Chemistry-Independent Battery Chargers
Figure 6b. MAX1648 Block Diagram
14
BATT
CS
______________________________________________________________________________________
AGND
BATT
LEVEL SHIFT AND
CURRENT-SENSE
GAIN OF 5.5
ON
R
R
R
R
AGND
THM
REF
SETV
SETI
GMV
GMI
10kΩ
30kΩ
CLAMP
CCI
CCV
10kΩ
3kΩ
MIN
ZERO CURRENT
REF / 2 =
AC_PRESENT
OR THERMISTOR_COLD)
NOT (THERMISTOR_HOT
AC_PRESENT AND
THERMISTOR_HOT
THERMISTOR_COLD
ON
COMPARATOR
SUMMING
BLOCK
5.4V LINEAR
REGULATOR
DCIN
LEVEL
SHIFT
AGND
VL
INTERNAL 3.9V
REFERENCE
DRIVER
DRIVER
PGND
BST
LX
VL
DHI
DLO
REF