ltc1759cg-trpbf Linear Technology Corporation, ltc1759cg-trpbf Datasheet - Page 12

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

LTC1759
OPERATIO
Table 1: Supported Charger Functions
FUNCTION
ChargerSpecInfo()
ChargerMode()
ChargerStatus()
ChargingCurrent()
ChargingVoltage()
AlarmWarning()
LTCVersionFunction()
OptionalMfgFunction3()
OptionalMfgFunction2()
OptionalMfgFunction1()
Alert Response Address
1
Table 2: SMBus Word Bit Definitions for All Allowed LTC1759 Functions
FUNCTION
ChargerSpecInfo
ChargerMode()
12
Read-byte format. 89h is returned as the interrupt address of the LTC1759. Rev 1.0 SMBus Compliant.
SELECTOR_SUPPORT
U
1
ENABLE_POLLING
INHIBIT_CHARGE
CHARGER_SPEC
POR_RESET
Reserved
FIELD
SMBus ADDRESS
b0001_001
b0001_001
b0001_001
b0001_001
b0001_001
b0001_001
b0001_001
b0001_001
b0001_001
b0001_001
b0001_100
(7-BIT)
WORD BIT
MAPPING
15:5
3:0
1
4
0
2
RESET VALUE
POWER-ON
(BINARY)
COMMAND CODE
0001
(8-BIT hex)
0
0
0
0
0
h11
h12
h13
h14
h15
h16
h3c
h3d
h3e
N/A
h3f
ALLOWED VALUES
• The CHARGER_SPEC Reports the Version of the Smart Battery
• 0001 – Version 1.0
• All Other Codes Reserved
• Always Returns 0001
• Read Only. Write Will NACK
• 0 – Charger Does Not Support the Optional Smart Battery Selector
• 1 – Charger Supports the Optional Smart Battery Selector
• Always Returns 0
• Read Only. Write Will NACK
• These Bits Are Reserved and Must Return Zero
• Read Only. Write Will NACK
• 0 – Enable Charging (Power-On Default)
• 1 – Inhibit Charging
• Write Only. Read Will NACK
• Cleared to Power-On Reset Value When:
• 0 – Disable Polling (Power-On Default for Smart Battery Controlled
• 1 – Enable Polling (Power-On Default for Host Controlled Chargers).
• Ignored by LTC1759
• Write Only. Read Will NACK
• 0 – Mode Unchanged (Default)
• 1 – Set Charger to Power-On Defaults
• This Reset Only Affects the Charger_Controller Block
• Write Only. Read Will NACK
Chargers)
Charger Specification the Charger Supports
Commands
Commands
1) POR_RESET = 1
2) AC_PRESENT = 0
3) BATTERY_PRESENT = 0
Read Byte
ACCESS
w
w
w
w
–
–
–
r
r
r
Interrupt Address
Not Supported
Not Supported
Not Supported
DATA TYPE
Register
Register
Register
Register
Register
Register
Control