Datasheet LTC4007-1 (Analog Devices) - 24

LTC4007-1
Typical applicaTion 12.6V, 4A Li-Ion Battery Charger
Q3 DCIN INPUT SWITCH 0V TO 20V 3A C1 R1 0.1µF 4.99k 1% V 3C4C DCIN LOGIC RCL R10 R11 R12 CHEM INFET C4 0.033Ω 100k 100k 100k * 15nF 1% SYSTEM LOBAT LOBAT CLP C2 LOAD ICL ICL LTC4007-1 CLN 20µF R L1 SENSE ACP ACP TGATE Q1 0.025Ω 10µH 4A 1% SHDN SHDN BGATE BAT FAULT FAULT PGND Q2 D1 C3 20µF CHG CHG CSP R4 FLAG FLAG BAT 3.01k 1% R9 32.4k 1% NTC PROG R5 3.01k 1% CHARGING R THERMISTOR T ITH CURRENT C7 10k R7 C5 MONITOR 0.47µF GND NTC 6.04k 0.0047µF *PIN OPEN R 1% RT RPROG D1: MBRS130T3 309k TIMING RESISTOR C6 26.7k Q1: Si4431BDY 1% (~2 HOURS) 0.12µF 1% Q2: FDC645N 40071 TA02
relaTeD parTs PART NUMBER DESCRIPTION COMMENTS
LT®1511 Constant-Current/Constant-Voltage 3A Battery High Efficiency Current Mode PWM with 4A Internal Switch Charger with Input Current Limiting LT1513 SEPIC Constant- or Programmable-Current/ Charger Input Voltage May Be Higher, Equal to or Lower Than Battery Voltage; Constant-Voltage Battery Charger Charges Any Number of Cells Up to 20V, 500kHz Switching Frequency LT1571 1.5A Switching Charger 1- or 2-Cell Li-Ion, 500kHz or 200kHz Switching Frequency, Termination Flag LTC1628-PG 2-Phase, Dual Synchronous Step-Down Controller Minimizes CIN and COUT , Power Good Output, 3.5V ≤ VIN ≤ 36V LTC1709 2-Phase, Dual Synchronous Step-Down Controller Up to 42A Output, Minimum CIN and COUT , Uses Smallest Components for with VID Intel and AMD Processors LT1769 2A Switching Battery Charger Constant-Current/Constant-Voltage Switching Regulator, Input Current Limiting Maximizes Charge Current LTC1778 Wide Operating Range, No RSENSE Synchronous 2% to 90% Duty Cycle at 200kHz, Stable with Ceramic COUT Step-Down Controller LTC1960 Dual Battery Charger/Selector with SPI Interface Simultaneous Charge or Discharge of Two Batteries, DAC Programmable Current and Voltage, Input Current Limiting Maximizes Charge Current LTC3711 No RSENSE™ Synchronous Step-Down Controller with 3.5V ≤ VIN ≤ 36V, 0.925V ≤ VOUT ≤ 2V, for Transmeta, AMD and Intel VID Mobile Processors LTC4006 Small, High Efficiency, Fixed Voltage, Lithium-Ion Constant-Current/Constant-Voltage Switching Regulator with Termination Battery Charger Timer, AC Adapter Current Limit and Thermistor Sensor in a Small 16-Pin Package LTC4007 4A High Efficiency, Standalone Li-Ion Battery Charger Complete Charger for 3- or 4-Cell Li-Ion Batteries, AC Adapter Current Limit and Thermistor Sensor, 16-Pin Narrow SSOP Package LTC4008 High Efficiency, Programmable Voltage/Current Constant-Current/Constant-Voltage Switching Regulator, Resistor Voltage Battery Charger Current Programming, AC Adapter Current Limit and Thermistor Sensor LTC4100 Smart Battery Charger Controller 100% Compliant SMBus 1.1 Support, VIN: 6.4V to 26V, VDROPOUT = 0.5V, High Efficiency Synchronous Buck Charger 40071fa 24 Linear Technology Corporation LT/TP 1116 REV A • PRINTED IN USA 1630 McCarthy Blvd., Milpitas, CA 9Fo 5 r0 m 35o-re 7 i4nfo 17 r mation www.linear.com/LTC4007-1 (4 ( 0 4 8 0 ) 8 4 ) 432-1900 ● FAX: ( 408) 4 4 34-0507 ● ● w w w w w w..lliin n e e a arr.com/LTC4007-1 LINEAR TECHNOLOGY CORPORATION 2005 Document Outline Description Typical Application Absolute Maximum Ratings Typical Performance Characteristics Pin Functions Block Diagram Operation Typical Application Related Parts