LTC1760CFW Linear Technology, LTC1760CFW Datasheet - Page 12
LTC1760CFW
Manufacturer Part Number
LTC1760CFW
Description
IC MANAGER BATTERY DUAL 48TSSOP
Manufacturer
Linear Technology
Datasheet
1.LTC1760CFWPBF.pdf
(44 pages)
Specifications of LTC1760CFW
Function
Charge Management
Battery Type
Smart Batteries
Voltage - Supply
6 V ~ 28 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
48-TFSOP (0.240", 6.10mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LTC1760CFW
Manufacturer:
Linear Technology
Quantity:
1 855
Company:
Part Number:
LTC1760CFW
Manufacturer:
ST
Quantity:
215
Part Number:
LTC1760CFW
Manufacturer:
LT/凌特
Quantity:
20 000
Company:
Part Number:
LTC1760CFW#PBF
Manufacturer:
LT
Quantity:
2
Part Number:
LTC1760CFW#PBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
LTC1760
12
1
2
2.1
2.2
2.3
2.3.1
2.3.2
2.3.3
2.3.4
2.3.5
2.3.6
2.3.7
2.3.8
2.3.9
2.3.10
2.3.11
2.4
2.5
2.6
3
3.1
3.2
3.3
3.4
3.5
3.6
4
4.1
4.2
4.3
4.4
5
5.1
5.2
5.3
6
6.1
6.2
6.3
6.4
7
7.1
7.2
8
8.1
8.2
8.3
8.4
9
10
TABLE OF CO TE TS
Overview .............................................................................................................................................................................................. 13
The SMBus Interface ........................................................................................................................................................................... 13
Charging Algorithm Overview .............................................................................................................................................................. 24
System Power Management Algorithm and Battery Calibration .......................................................................................................... 27
Battery Calibration (Conditioning) ....................................................................................................................................................... 28
MODE Pin Operation ............................................................................................................................................................................ 29
Battery Charger Controller ................................................................................................................................................................... 29
PowerPath Controller .......................................................................................................................................................................... 31
The Voltage DAC Block ........................................................................................................................................................................ 32
The Current DAC Block ........................................................................................................................................................................ 32
SMBus Interface Overview ............................................................................................................................................................... 13
Data Bit Definition of Supported SMBus Functions. ......................................................................................................................... 14
Description of Supported SMBus Functions .................................................................................................................................... 16
SMBus Dual Port Operation ............................................................................................................................................................. 21
LTC1760 SMBus Controller Operation ............................................................................................................................................. 22
LTC1760 SMBALERT Operation ...................................................................................................................................................... 24
Wake-Up Charging Initiation ............................................................................................................................................................ 24
Wake-Up Charging Termination ....................................................................................................................................................... 24
Wake-Up Charging Current and Voltage Limits ............................................................................................................................... 25
Controlled Charging Initiation .......................................................................................................................................................... 25
Controlled Charging Termination ..................................................................................................................................................... 25
Controlled Charging Current and Voltage Programming .................................................................................................................. 26
Turning Off System Power ............................................................................................................................................................... 27
Power-By Algorithm When No Battery is Being Calibrated .............................................................................................................. 27
Power-By Algorithm When a Battery is Being Calibrated ................................................................................................................. 27
Power-By Reporting ........................................................................................................................................................................ 27
Selecting a Battery to be Calibrated ................................................................................................................................................. 28
Initiating Calibration of Selected Battery .......................................................................................................................................... 28
Terminating Calibration of Selected Battery ..................................................................................................................................... 28
Stand Alone Charge Indication ......................................................................................................................................................... 29
Hardware Charge Inhibit .................................................................................................................................................................. 29
Charging When SCL and SDA are Low ............................................................................................................................................ 29
Charging With an SMBus Host ........................................................................................................................................................ 29
Charge MUX Switches ..................................................................................................................................................................... 30
Dual Charging .................................................................................................................................................................................. 30
Autonomous PowerPath Switching ................................................................................................................................................. 31
Short-Circuit Protection ................................................................................................................................................................... 31
Emergency Turn-Off ........................................................................................................................................................................ 32
Power-Up Strategy .......................................................................................................................................................................... 32
BatterySystemState() ('h01) ........................................................................................................................................................ 16
BatterySystemStateCont() ('h02) ................................................................................................................................................. 17
BatterySystemInfo() ('h04) .......................................................................................................................................................... 18
LTC() ('h3c) ................................................................................................................................................................................. 19
BatteryMode() ('h03) ................................................................................................................................................................... 19
Voltage() ('h09) ........................................................................................................................................................................... 19
Current() ('h0a) ............................................................................................................................................................................ 20
ChargingCurrent() ('h14) ............................................................................................................................................................. 20
ChargingVoltage() ('h15) ............................................................................................................................................................. 20
AlarmWarning() ('h16) ................................................................................................................................................................ 20
AlertResponse() ........................................................................................................................................................................... 21
U U
(For Operation Section)
1760f