PowerDsine LX2206 User's Manual
Contents
1. w thermal Feedback Battery temp monitor Precision charge termination Power Good Indicator APPLICATIONS MP3 player PDA PMC Digital Camera Charge cradle PART SPECIFIC INFORMATION Part Number Product LX2206ILD Dual Level Lithium lon Battery Charger TABLE 1 PART INFORMATION IC EVALUATION BOARDS LX2206ILD LX2206 EVAL KIT TABLE 2 EVALUATION BOARD INFORMATION Rev 1 1 2006 11 17 Integrated Products 11861 Western Avenue Garden Grove CA 92841 714 898 8121 Fax 714 893 2570 LX2206 EVALUATION BOARD USER GUIDE SCHEMATIC FOR LX2206 EVALUATION BOARD STATUS CHARGING Battery Temperature Lockout Sensing NTC RTN BAT TEMP SHUTDOWN Current Programming RTN BATTERY Figure 1 LX2206 Evaluation Board Schematic Copyright 2002 Microsemi Page 4 Rev 1 1 2006 11 17 Integrated Products 11861 Western Avenue Garden Grove CA 92841 714 898 8121 Fax 714 893 2570 LX2206 EVALUATION BOARD USER GUIDE BLOCK DIAGRAM E LCP HCP GND Copyright 2002 Rev 1 1 2006 11 17 UVLO CHARGE CONTROL CHARGE TERMINATION CONTROL CONSTANT VOLTAGE CONTROL TEMPERATURE CONTROL CONDITIONING ER THRESHOLD P Fi LOW CHARGING CURRENT HIGH CHARGING Eee Figure 2 Simplified Block Diagram Microsemi Integrated Products d E2. LX2206 EVALUATION BOARD USER GUIDE LX2206 DUAL LEVEL BATTERY CHARGER amp Microsemi Copyright 2002 Microsemi Page 1 Rev 1 1 2006 11 17 Integrated Products 11861 Western Avenue Garden Grove CA 92841 714 898 8121 Fax 714 893 2570 LX2206 EVALUATION BOARD USER GUIDE TABLE OF CONTENTS calla get tat EEEN 3 OCMC ITALIC EE 4 ele DIE Le TT 5 Evaluation Board Connections seda ss sss sse 6 Typical Test Flookup 3 4 nee tene dae aet asentamientos 7 PCB Layout Recommendations A 7 Eval ationi Board E EE 8 Evaluation Board Bill of Materials sanis 9 Copyright 2002 Microsemi Page 2 Rev 1 1 2006 11 17 Integrated Products 11861 Western Avenue Garden Grove CA 92841 714 898 8121 Fax 714 893 2570 LX2206 EVALUATION BOARD USER GUIDE INTRODUCTION TO PRODUCT The LX2206 Evaluation Board is available from Microsemi for evaluating the performance of the LX2206 Battery Charger integrated circuit The component sizes used on the evaluation board facilitate easy probing however in practice smaller component sizes are recommended to minimize the circuit physical size KEY FEATURES Two independent programmable charge currents 0 5 Float voltage tolerance Charging up to 1A Charging from USB port USB current compliance Full battery Indicator
3. NABLE DCOK STAT BAT Page 5 11861 Western Avenue Garden Grove CA 92841 714 898 8121 Fax 714 893 2570 LX2206 EVALUATION BOARD USER GUIDE LX2206 EvAL CONNECTIONS and the Negative terminal to the HIN terminal Connections The LX2206 Evaluation Board has 2 Apply a 5V power source to the PWR one power input and one power output connection terminal and the power supply return to the GND terminal 3 Move the SHUTDOWN jumper to the ON FUNCTION PIN NAME VOLTAGE position Input Power PWR 5V 0 65V 4 The POWER ATTACHED and CHARGING LEDs should be lit when the battery is charging and the POWER ATTACHED and FULL LEDs should be lit when the battery is Input GND fully charged Battery BAT OV to 4 3V 5 Monitor the charge current into the battery with a current probe Battery RTN DN 6 Verify that the current changes levels between approximately 92mA and 460mA when the PGM jumper is moved between its two positions Jumpers The LX2206 Evaluation Board has two 7 Verify that moving the SHUTDOWN battery position jumper blocks The jumper can be moved to to the OFF position extinguishes the LEDs select either a high logic level or low logic level Itis and terminates the charge cycle also possible to remove the jumper and apply a voltage directly to the center pin of the jumper block 8 The thermal lockout can be tested by removing RT1 and replacing it with a variable resistor to
4. PWR GND 2 10 Jumper 2 Pos 0 100 inch spacing PGM SHUTDN 2 11 Printed Circuit Board MICROSEMI SGE 3541 X1 1 CAPACITORS Line mm Reference Item Part Description Part Number Case Designators Qty 1 Capacitor X5R 10uF 10V 10 TAIYO YUDEN LMK316BJ106KD T 1206 C1 2 2 2 Capacitor X7R 0 47uF 16V 20 TAIYO YUDEN EMK212BJ474KD T 0805 C3 1 RESISTORS Line EN Reference iem Part Description Part Number Case Designators Qty 1 Resistor 1 00K 1 1 10W PANASONIC ERJ 6ENF1001V 0805 R1 2 2 2 Resistor 2 49K 1 1 10W PANASONIC ERJ 6ENF2491V 0805 R3 6 7 3 3 Resistor 110K 1 1 10W PANASONIC ERJ 6ENF1103V 0805 R4 1 4 Resistor 19 6K 1 1 10W PANASONIC ERJ 6ENF1962V 0805 R5 1 5 Resistor 121K 1 1 10W PANASONIC ERJ 6ENF1213V 0805 R8 1 6 Resistor 24 9K 1 1 10W PANASONIC ERJ 6ENF2492V 0805 R10 1 Copyright 2002 Microsemi Page 9 Rev 1 1 2006 11 17 Integrated Products 11861 Western Avenue Garden Grove CA 92841 714 898 8121 Fax 714 893 2570
5. simulate the resistance of Hookup The following is a demonstration scenario REESEN pondong that be used to evaluate the LK2206 1 Apply the single cell Lithium lon or Lithium polymer battery to the battery screw terminal block Be sure to connect the positive terminal of the battery to the BAT terminal Copyright 2002 Microsemi Page 6 Rev 1 1 2006 11 17 Integrated Products 11861 Western Avenue Garden Grove CA 92841 714 898 8121 Fax 714 893 2570 LX2206 EVALUATION BOARD USER GUIDE LX2206 TYPICAL TEST HOOKUP BAT TEMP NTC n n RTN Mierosami 1 1 INTEGRATED PRODUCTS c a Single Cell io x Lithium lon Battery a LI RIL LX2206 DU 5V Power FULL K Supply STATUS LX2206 DUAL LEVEL LITHIUM ION BATTERY CHARGER EVAL PCB BATTERY PGM 31 2 1 SHUTDOWN Figure 3 LK2206 Typical Test Hookup PCB LAYOUT RECOMMENDATIONS It is recommended that C1 and C2 be located within have a good thermal path to ambient to dissipate 1cm of the LX2206 The CMP capacitor should be heat The simplest way to do this is to heatsink the located close to the IN and CMP pins Also the high LX2206 bottom pad directly to the ground plane by impedance summing node connecting to the TMP pin placing 4 or more vias in the ground pad directly should be kept relatively short to prevent the coupling under the LX2206 footprint of noise into this node It is important tha
6. t the LX2206 Copyright 2002 Microsemi Page 7 SEET Integrated Products 11861 Western Avenue Garden Grove CA 92841 714 898 8121 Fax 714 893 2570 LX2206 EVALUATION BOARD USER GUIDE LX2206 PRINTED CIRCUIT BOARD LAYOUT Microsemi s INTEGRATED PRODUCTS 00 c o D QO roe d H c er 4 TIL Om m x FULL STATUS onaren ARE LX2206 DUAL LEVEL LITHIUM ION BATTERY CHARGER EVAL PCB Figure 4 LX2206 Evaluation Board Layout D S BATTERY r 2 c PGM 2 2 r SHUTDOWN Copyright 2002 Micr mi Pa Rev 1 1 2006 11 17 een ge 8 Integrated Products 11861 Western Avenue Garden Grove CA 92841 714 898 8121 Fax 714 893 2570 LX2206 EVALUATION BOARD USER GUIDE LX2206 EVALUATION BOARD BILL OF MATERIALS MISCELLANEOUS COMPONENTS Line Reference Item Part Description Manufacturer amp Part Case Designators Qty 1 Microsemi IC Dual Level Li lon Charger MICROSEMI LX2206ILD 3x3 MLP U1 1 2 LED Amber PANASONIC LNJ414K8YRA 0603 CHARGING 1 3 LED Red PANASONIC LNJ214K8ARA 0603 FULL 1 4 LED Green PANASONIC LNJ314G8TRA 0603 POWER ATTACH 1 5 Thermistor NTC 100k VISHAY NTHS0402N01N1003J 0402 RT1 1 6 Terminal Block 2 position 7mm spacing OST OST 2 7 0 BATTERY 1 7 Header 3 pin 0 100in spacing PGM SHUTDN 2 8 Header 2 pin 0 100in spacing BAT TEMP 1 9 Header 1 pin
Download Pdf Manuals
Related Search