MAX1908ETI+ Maxim Integrated Products, MAX1908ETI+ Datasheet - Page 17

• 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

Figure 3. Functional Diagram
CELLS
SHDN
CSSN
CSSP
VCTL
BATT
CSIP
CSIN
GND
ICTL
CCS
CCV
CLS
CCI
Low-Cost Multichemistry Battery Chargers
SELECT
LOGIC
______________________________________________________________________________________
CELL
REFIN
23.5%
REFIN
x
400mV
REFIN
GND
DCIN
x
x
SHIFTER
SHIFTER
LEVEL
LEVEL
REFIN
75mV
75mV
REF
R1
4V
3.1V/CELL
MAX1908 ONLY
MAX8765A
GMS
GMV
GMI
MAX1908
MAX8724
MAX8765
BAT_UV
SRDY
BLOCK
LOGIC
LVC
CSI
LVC
RDY
REGULATOR
LINEAR
5.4V
REF/2
CONVERTER
SHIFTER
DC-DC
LEVEL
MAX1908/MAX8724 ONLY
GM
GM
Functional Diagram
REFERENCE
4.096V
DRIVER
DRIVER
ICTL
1/55
N
DCIN
LDO
REF
REFIN
ACIN
ACOK
IINP
ICHG
BST
DHI
LX
DLOV
DLO
PGND
17