MAX17085BETL+T Maxim Integrated Products, MAX17085BETL+T Datasheet - Page 19

• Manufacturer Part Number: MAX17085BETL+T
• Description: Battery Management Dual Main Step-Down Controller
• Manufacturer: Maxim Integrated Products

Specifications of MAX17085BETL+T

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Figure 1. Standard Application Circuit
*COMPONENTS REQUIRED FOR PROTECTION FROM HARD SHORTS ON BATT TO PGND.
**COMPONENTS REQUIRED FOR PROPER OPERATION. DO NOT REMOVE.
V
AC ADAPTER
SYS
N4 PROVIDES REVERSE ADAPTER
+5V, 8A
PROTECTION IS NOT NEEDED.
PROTECTION. REPLACE WITH
DIODE IF REVERSE ADAPTER
2x 10FF
100FF
C
C
OUT5
SIGNAL
25V
IN5
CELLS
OPEN
PWM
GND
5V
N4
V
ADP
POWER-GOOD
Integrated Charger, Dual Main Step-Down
ADAPTER OK
3.3V LDO
5V LDO
100mA
COUNT
______________________________________________________________________________________
N3
50mA
2
3
4
D
5
**
1.5FH
L5
100kI
1.0FF
C
47I
VCC
R1
150kI
N
R
N
R2
Controllers, and Dual LDO Regulators
ACIN2
H5
L5
R4
R
ACIN1
R
C
0.1FF
ILIM5B
BST5
R
C
C
4.7FF
ILIM5A
C
DCIN
LDO5
1FF
1FF
100kI
REF
C
4.7FF
LDO3
R
4.7I
R3
BST5
REF
28
29
32
33
26
31
12
10
11
30
35
18
17
9
8
7
5
ACIN
VCTL
REF
GND
CELLS
ISET
DH5
BST5
LX5
DL5
OUT5
LDO5
V
ILIM5
ACOK
PGOOD
LDO3
DCIN
CC
6
22
PDSL
Q1a
51.1kI
MAX17085B
PAD
C7
10nF
24
CSSP
15mI
RS1
23
CSSN
OUT3
ILIM3
BSTC
CSIN
BATT
BST3
CSIP
SKIP
DHC
LXC
DLC
IINP
TON
DH3
ON3
ON5
DL3
LX3
CC
16
14
15
13
20
19
27
21
25
37
40
2
1
3
4
34
36
38
39
R
4.7I
REF
BST3
5V LDO
C
0.1FF
SYSTEM POWER RAIL
D
R
BST3
CSIP
C
0.1FF
C
1nF
C
10nF
C
0.1FF
300kI
ILIM3A
NLC
CC
IINP
R
R
BSTC
TON
ILIM3B
*
R
R
CSIP
5I
10I
ON
CSIN
*
*
OFF
R
N
N
10I
BATT
H3
L3
N
N
H(CHG)
L(CHG)
1.5FH
*
L3
SYSTEM CURRENT
MONITOR
D
3
**
C
2 x 10FF
25V
L
2FH
RS2
10mI
IN3
CHG
C
2 x 4.7FF
IN(CHG)
C
4.7FF
V
OUT(CHG)
SYS
N5
+3.3V, 8A
BATTERY POWER RAIL
C
100FF
V
OUT3
POWER GROUND
ANALOG GROUND
SYS
RELEARN
Q1b
BATTERY
V
BATT
19