Datasheet LT3651-4.1, LT3651-4.2 (Analog Devices) - 9
| Manufacturer | Analog Devices |
| Description | Monolithic 4A High Voltage 1 Cell Li-Ion Battery Charger |
| Pages / Page | 22 / 9 — BLOCK DIAGRAM |
| File Format / Size | PDF / 285 Kb |
| Document Language | English |
BLOCK DIAGRAM
Model Line for this Datasheet
Text Version of Document
LT3651-4.1/LT3651-4.2
BLOCK DIAGRAM
STANDBY – BOOST 50µA UVLO 5 + 4.6V + VIN I 32, 33, 34 LIM 28 – 35V OVLO CLN + + 30 + CLP R – + 29 – LATCH S Q A13 A12 RT 36 OSC TIMER 0.25V 24 + – + SW TIMER OSC – 7, 11-18, 22, 38 A11 A14 V A10 IN + 125°C – T VC J REV CUR RIPPLE COUNTER INHIBIT C-EA R COUNT – S SENSE STANDBY 4 RESET + RS BAT COUNT 3 A9 – + V-EA – COUNT + RESET MODE 0.3V + ENABLE (TIMER ITH CHRG OR C/10) RNG/SS 26 CONTROL LOGIC 10RS 35 FAULT TERMINATE 25 SS/RESET SS/RESET STATUS 50µA A8 – C/10 + 0.1V + + 1V 0.15V A7 – PRECONDITION + 2.9V NTC VINT 2.7V A6 – SHDN 27 ×2.25 + + + + A1 + STANDBY 1.2V 4.2V 4.1V 1.36V 50µA – A4 + A2 TERMINATE – – ACPR NTC 0.29V + A3 2 1 A5 + – + 1.3V 2.4V – 0.7V 46µA GND 6, 23, 31, 37 365142 BD VBAT(FLT): 4.1V FOR LT3651-4.1, 4.2V FOR LT3651-4.2 VBAT(FLT)-VRECHRG: 4.0V FOR LT3651-4.1, 4.1V FOR LT3651-4.2 VBAT(PRE): 2.85V FOR LT3651-4.1, 2.9V FOR LT3651-4.2 365142ff For more information www.linear.com/LT3651-4.1 9 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Pin Functions Block Diagram Operation Applications Information Typical Applications Revision History Typical Application Related Parts
BLOCK DIAGRAM
STANDBY – BOOST 50µA UVLO 5 + 4.6V + VIN I 32, 33, 34 LIM 28 – 35V OVLO CLN + + 30 + CLP R – + 29 – LATCH S Q A13 A12 RT 36 OSC TIMER 0.25V 24 + – + SW TIMER OSC – 7, 11-18, 22, 38 A11 A14 V A10 IN + 125°C – T VC J REV CUR RIPPLE COUNTER INHIBIT C-EA R COUNT – S SENSE STANDBY 4 RESET + RS BAT COUNT 3 A9 – + V-EA – COUNT + RESET MODE 0.3V + ENABLE (TIMER ITH CHRG OR C/10) RNG/SS 26 CONTROL LOGIC 10RS 35 FAULT TERMINATE 25 SS/RESET SS/RESET STATUS 50µA A8 – C/10 + 0.1V + + 1V 0.15V A7 – PRECONDITION + 2.9V NTC VINT 2.7V A6 – SHDN 27 ×2.25 + + + + A1 + STANDBY 1.2V 4.2V 4.1V 1.36V 50µA – A4 + A2 TERMINATE – – ACPR NTC 0.29V + A3 2 1 A5 + – + 1.3V 2.4V – 0.7V 46µA GND 6, 23, 31, 37 365142 BD VBAT(FLT): 4.1V FOR LT3651-4.1, 4.2V FOR LT3651-4.2 VBAT(FLT)-VRECHRG: 4.0V FOR LT3651-4.1, 4.1V FOR LT3651-4.2 VBAT(PRE): 2.85V FOR LT3651-4.1, 2.9V FOR LT3651-4.2 365142ff For more information www.linear.com/LT3651-4.1 9 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Pin Functions Block Diagram Operation Applications Information Typical Applications Revision History Typical Application Related Parts
