MAX1908ETI+ Maxim Integrated Products, MAX1908ETI+ Datasheet - Page 20

• Manufacturer Part Number: MAX1908ETI+
• Description: IC CHARGER BATTERY 28-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1908ETI+

• Function: Charge Management
• Battery Type: Multi-Chemistry
• Voltage - Supply: 8 V ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-WFQFN Exposed Pad
• Product: Charge Management
• Operating Supply Voltage: 2.5 V to 3.6 V
• Supply Current: 400 uA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Charge Safety Timers: Yes
• Mounting Style: SMD/SMT
• Temperature Monitoring: No
• Uvlo Start Threshold: 7 V
• Uvlo Stop Threshold: 7.85 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Low-Cost Multichemistry Battery Chargers
Figure 4. DC-DC Functional Diagram
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RESET
0.15V
1.8V
0.1V
CCS
CCI
CCMP
IMIN
ZCMP
IMAX
CCV
CONTROL
CELLS
LVC
SETV
S
R
SETI
CLS
BST
Q
R
S
CHG
t
GENERATOR
OFF
5ms
GMS
GMI
GMV
Q
Q
MAX8765A
MAX1908
MAX8724
MAX8765
SELECT
LOGIC
CELL
DC-DC Functional Diagram
DHI
DLO
CSS
X20
X20
CSI
CSSP
CSSN
BST
DHI
LX
DLO
CSIP
CSIN
BATT
C
OUT
N1a
N1b
BATTERY
RS1
AC ADAPTER
L1
RS2
D3
C
BST
LDO