MAX846AEEE Maxim Integrated Products, MAX846AEEE Datasheet - Page 8

• Manufacturer Part Number: MAX846AEEE
• Description: Battery Management Multichemistry Bat Charger System
• Manufacturer: Maxim Integrated Products

Specifications of MAX846AEEE

• Battery Type: Li-Ion, Li-Polymer, NiCd, NiMH
• Output Voltage: 3.3 V
• Operating Supply Voltage: 3.7 V to 20 V
• Supply Current: 5 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Package / Case: QSOP-16
• Mounting Style: SMD/SMT

Cost-Saving Multichemistry
Battery-Charger System
Figure 1. Functional Diagram
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_______________________________________________________________________________________
OPEN
DAC
GND
3.3V
DAC
ADC
OR
OR
TO
TO
C
4.7 F
1 Li
ON
VL
VL
3.5V TO 20V
(±5% ADJ)
OFF
2 Li
400k, 1%
DC INPUT
R
10k
VSET
5nF
5nF
VL
PGND
ISET
CCI
CCV
CELL2
OFFV
VSET
GND
MAX846A
3.3V, 1%
20k, 2%
LDO
0.01 F
DCIN
1.65V, 0.5%
REF
660
R
DRV
BST
BST
(OR P-CHANNEL)
VL > 3V
DRV
N
CS- > 2V
OFF
REFOK
VL
ON
ON
CSA
CL
CA
VA
VA
2V
1.65V
1k
N
N
DRV ENABLE
PWROK
CS+
BATT
CS-
4.7 F
VL
R
165m
I
BATT
CS
TO C
OR
Ni
Li