ltc1759cg-trpbf Linear Technology Corporation, ltc1759cg-trpbf Datasheet - Page 17

• Manufacturer Part Number: ltc1759cg-trpbf
• Description: Smart Battery Charger
• Manufacturer: Linear Technology Corporation

OPERATIO
Table 3. Charger_Controller Functional Features
#
0
1
2
3
4
5
6
7
8
9
10
11
CONDITION
POWER_ON_RESET = 1
CHARGING_RESET_STATE = 1 AND the Battery Is Present
AND AC_PRESENT = 1 AND INHIBIT_CHARGE = 0 AND Thermistor Is
Ideal
CHARGING_RESET_STATE = 1 AND the Battery Is Present
AND AC_PRESENT =1 AND INHIBIT_CHARGE = 0 AND THERM_
UR = 1 OR THERM_COLD = 1
CHARGING_WAKE-UP_STATE = 1 AND the Time-Out Period
Exceeds t
CHARGING_WAKE-UP_STATE = 1 AND an AlarmWarning() Message
Is Received with Any Bit in the Upper Nibble Set
CHARGING_WAKE-UP_STATE = 1 (from Condition 1 above) AND
THERM_HOT Changes from 0 to 1 AND THERM_UR = 0
CHARGING_WAKE-UP_STATE = 1 (from Condition 2 above) AND
THERM_UR Changes from 1 to 0 AND THERM_HOT = 1
CHARGING_WAKE-UP-STATE = 1 AND INHIBIT_CHARGE Is
Set to 1
(CHARGING_WAKE-UP_STATE = 1 OR CHARGING_NONE_STATE = 1)
AND (Both ChargingCurrent() AND ChargingVoltage() Commands
Are Received within t
AND THERM_HOT = 0
(CHARGING_WAKE-UP_STATE = 1 OR CHARGING_NONE_STATE = 1)
AND (Both ChargingCurrent() AND ChargingVoltage() Commands
Are Received within t
AND THERM_UR = 1
CHARGING_CONTROLLED_STATE = 1
AND No New ChargingCurrent() and ChargingVoltage() Commands Are
Received for a Time-Out Period of t
CHARGING_CONTROLLED_STATE = 1
The Charger_Controller Is Supplying “Controlled Charge” to the
Battery AND (an AlarmWarning() Message Is Received
with Any Bit in the Upper Nibble Set)
TIMEOUT
U
AND THERM_UR = 1 OR THERM_COLD = 1
TIMEOUT
TIMEOUT
) AND INHIBIT_CHARGE = 0
) AND INHIBIT_CHARGE = 0
TIMEOUT
ACTION
CHARGING_RESET_STATE =1
(Asynchronously Reset the Charger_Controller State Machine During
Power-On Reset)
CHARGING _WAKE-UP_STATE = 1
The Charger_Controller Will “Wake Up” Charge the Battery
at I
CHARGING_WAKE-UP_STATE = 1
The Charger_Controller Will “Wake Up” Charge the Battery
at I
CHARGING_NONE_STATE = 1
The Charger_Controller Stops Charging the Battery. It Cannot
“Wake Up” Charge Again Until Condition 15 Is Met. It Can Supply
“Controlled Charge” to the Battery If Conditions 8 or 9 Are Met
CHARGING_NONE_STATE =1
The Charger_Controller Stops Charging the Battery. It Cannot
“Wake Up” Charge Again Until Condition 15 Is Met. It Can Supply
“Controlled Charge” to the Battery If Conditions 8 or 9 Are Met
CHARGING_NONE_STATE = 1
The Charger_Controller Stops Charging the Battery. It Cannot
“Wake Up” Charge Again Until Condition 15 Is Met. It Can Supply
“Controlled Charge” to the Battery If Conditions 8 or 9 Are Met
CHARGING_NONE_STATE = 1
The Charger_Controller Stops Charging the Battery. It Cannot
“Wake Up” Charge Again Until Condition 15 Is Met. It Can Supply
“Controlled Charge” to the Battery If Conditions 8 or 9 Are Met
CHARGING_WAKE-UP_STATE =1
The Charger_Controller Stops Charging the Selected Battery. The Timer
Continues to Run. The Charger Can Resume “Wake-Up” Charging If
INHIBIT_CHARGE = 0
CHARGING_CONTROLLED_STATE = 1
The Charger_Controller Will Supply “Controlled Charge” to the
Battery as Specified in the Current and Voltage Commands
CHARGING_CONTROLLED_STATE = 1
The Charger_Controller Will Supply “Controlled Charge” to the
Battery as Specified in the Current and Voltage Commands
CHARGING_NONE_STATE = 1
The Charger_Controller Stops Charging the Battery. It Cannot
“Wake Up” Charge Again Until Condition 15 Is Met. It Can Supply
“Controlled Charge” to the Battery If Conditions 8 or 9 Are Met
CHARGING_NONE_STATE = 1
The Charger_Controller Stops Charging the Battery. It Cannot
“Wake Up” Charge Again Until Condition 15 Is Met. It Can Supply
“Controlled Charge” to the Battery If Conditions 8 or 9 Are Met
WAKE-UP
WAKE-UP
Indefinitely
Until Condition 3 Is Met
LTC1759
17