LTC1759CG Linear Technology, LTC1759CG Datasheet - Page 13

• Manufacturer Part Number: LTC1759CG
• Description: IC SMART BATTERY CHARGER 36SSOP
• Manufacturer: Linear Technology

Specifications of LTC1759CG

• Function: Charge Management
• Battery Type: Smart Batteries
• Voltage - Supply: 11 V ~ 24 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 36-SSOP (0.200", 5.30mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

OPERATIO
FUNCTION
ChargerStatus()
U
CHARGE_INHIBITED
CURRENT_NOTREG
VOLTAGE_NOTREG
LEVEL_3:LEVEL_2
RESET_TO_ZERO
MASTER_MODE
CURRENT_OR
THERM_COLD
VOLTAGE_OR
THERM_HOT
THERM_OR
Reserved
FIELD
WORD BIT
MAPPING
15:4
5:4
10
3
0
1
2
3
6
7
8
9
RESET VALUE
POWER-ON
(BINARY)
Value
Value
Value
01
0
0
0
0
0
0
0
0
ALLOWED VALUES
• 0 – Charging Value Unchanged
• 1 – Set Charging Values to Zero
NOTE:
This function is implemented by forcing the charger to
CHARGING_NONE_STATE and not allowing charge to resume until a
valid ChargingCurrent() and ChargingVoltage() Pair Is received.
• Write Only. Read Will NACK
• Write Only. Read Will NACK
This Is the ChargerMode() INHIBIT_CHARGE Bit
• 0 – Charger Is Enabled
• 1 – Charger Is Inhibited
• Read Only. Write Will NACK
• 0 – Charger Is in Slave Mode (Polling Disabled)
• 1 – Charger Is in Master Mode (Polling Enabled)
• Always Returns 0
• Read Only. Write Will NACK
• 0 – Charger’s Output Voltage Is in Regulation
• 1 – Requested ChargingCurrent() Is Not Being Met
• Not Supported; Always Returns 0
• Read Only. Write Will NACK
• 0 – Charger’s Output Current Is in Regulation
• 1 – Requested ChargingCurrent() Is Not Being Met
• Not Supported; Always Returns 0
• Read Only. Write Will NACK
• 00 – Reserved
• 01 – Charger Is a Smart Battery Controlled
• 10 – Reserved
• 11 – Charger Is a Host Controlled
• Always Returns 01
• Read Only. Write Will NACK
• 1 – ChargingCurrent() Value Is Invalid
• This Value Is Valid Only When Charging with
• Read Only. Write Will NACK
• 0 – ChargingVoltage() Value Is Valid
• 1 – ChargingVoltage() Value Is Invalid
• This Value Is Valid Only When Charging with
• Read Only. Write Will NACK
• 1 – Thermistor Indicates Overrange
• Read Only. Write Will NACK
• 0 – Thermistor Indicates Not Cold
• 1 – Thermistor Indicates Cold
• Read Only. Write Will NACK
• 0 – Thermistor Indicates Not Hot
• 1 – Thermistor Indicates Hot
• Read Only. Write Will NACK
• Not Implemented. Writes to These Bits Are Ignored.
• 0 – ChargingCurrent() Value Is Valid
• 0 – Thermistor Indicates Not Overrange
CHARGE_INHIBITED = 0 or 1
CHARGE_INHIBITED = 0 or 1
LTC1759
13