MAX1667EAP+T Maxim Integrated Products, MAX1667EAP+T Datasheet - Page 25

• Manufacturer Part Number: MAX1667EAP+T
• Description: IC SMART BATT CHGR LEVEL2 20SSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX1667EAP+T

• Function: Charge Management
• Battery Type: All Battery Types
• Voltage - Supply: 7.5 V ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

7) The SEL pin digitally limits the output current to 4A,
8) The single count current-sense voltage has been
9) After the AlarmWarning() message, the charger is
10) The Alert-Response address is 0x13 (0b00010011).
When upgrading a MAX1647 design, follow these rec-
ommended or required changes (part numbers refer to
Figure 3 of the MAX1647 data sheet):
1) Change R1 to 40mΩ (required).
2) Remove diodes D5 and D6, transistor Q1, and resis-
3) Remove the external +4.096V reference (recom-
4) Remove D6 (recommended). When doing this, also
tor R6. Connect IOUT directly to BATT (recommend-
ed).
mended).
place a small-signal diode in series with R7 and con-
nect it directly to the DC source (see D3 and R5 on
Figure 3 of the MAX1647 data sheet).
3A, or 1A without a change in sense resistor value
between the three modes.
changed to 5mV. R1 required is now 40mΩ.
not locked off. Subsequent ChargingVoltage() or
ChargingCurrent() commands allow the MAX1667
to resume the charge.
______________________________________________________________________________________
Level 2 Smart Battery Charger
Chemistry-Independent,
TRANSISTOR COUNT: 6378
SUBSTRATE CONNECTED TO AGND
TOP VIEW
AGND
DCIN
BATT
IOUT
CCV
SEL
REF
CCI
CS
VL
10
1
2
3
4
5
6
7
8
9
MAX1667
SSOP
Pin Configuration
Chip Information
20
19
18
17
16
15
14
13
12
11
DLO
PGND
DACV
BST
LX
DHI
SCL
THM
INT
SDA
25