DS2788E+ Maxim Integrated Products, DS2788E+ Datasheet - Page 21

• Manufacturer Part Number: DS2788E+
• Description: IC FUEL GAUGE W/DSP DRV 14TSSOP
• Manufacturer: Maxim Integrated Products

Specifications of DS2788E+

• Function: Fuel, Gas Gauge/Monitor
• Battery Type: Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Pol)
• Voltage - Supply: 2.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 14-TSSOP
• Product: Fuel Gauges
• Operating Supply Voltage: 2.5 V to 4.5 V
• Supply Current: 70 uA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Charge Safety Timers: Yes
• Mounting Style: SMD/SMT
• Temperature Monitoring: Yes
• Uvlo Start Threshold: 2.4 V
• Uvlo Stop Threshold: 2.5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

The EEPROM register provides access control of the
EEPROM blocks. EEPROM blocks can be locked to pre-
vent alteration of data within the block. Locking a block
Figure 21. EEPROM Register Format
ADDRESS
Reserved
LOCK
Field
EEC
BL1
BL0
______________________________________________________________________________________
Bit
2:6
7
6
1
0
1Fh
Read/Write
Read Only
Read Only
Read Only
Format
to 1
Stand-Alone Fuel-Gauge IC with
EEPROM Copy Flag
Set to 1 when: Copy Data command executed.
Cleared to 0 when: Copy Data command completes.
Note: While EEC = 1, writes to EEPROM addresses are ignored.
Power-up default: 0
EEPROM Lock Enable
Host write to 1: Enables the Lock command. Host must issue Lock command as
next command after writing lock enable bit to 1.
Cleared to 0 when: Lock command completes or when Lock command is not the
command issued immediately following the Write command used to set the lock
enable bit.
Power-up default: 0
Undefined
EEPROM Block 1 Lock Flag (Parameter EEPROM 60h–7Fh)
0: EEPROM is not locked.
1: EEPROM block is locked.
Factory default: 0
EEPROM Block 0 Lock Flag (User EEPROM 20h–2Fh)
0: EEPROM is not locked.
1: EEPROM block is locked.
Factory default: 0
disables write access to the block. Once a block is
locked, it cannot be unlocked. Read access to EEPROM
blocks is unaffected by the lock/unlock status.
LED Display Drivers
Allowable Values
BIT DEFINITION
EEPROM Register
21