MCP73833-FCI/UN Microchip Technology, MCP73833-FCI/UN Datasheet
MCP73833-FCI/UN
Specifications of MCP73833-FCI/UN
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MCP73833-FCI/UN Summary of contents
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... The constant current value is set with one external MCP73833/4 limits the charge current based on die temperature during high power or high ambient condi- tions. This thermal regulation optimizes the charge cycle time while maintaining device reliability. Several options are available for the preconditioning threshold, preconditioning current value, charge termination value, and automatic recharge threshold ...
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... MΩ DS22005A-page 2 1A Li-Ion Battery Charger 1,2 9, BAT 3 8 THERM STAT1 470Ω STAT2 PROG 470Ω 470Ω MCP73833 G=0.001 1 kΩ 111 kΩ 310 kΩ 72.7 kΩ PRECONDITION + - TERMINATIO kΩ CHARG E 157.3 kΩ SHDN + Charge - Control, LDO Timer, ...
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... I 90 100 110 REG 900 1000 1100 I — 1200 — MAX MCP73833/4 (Typ)+0.3V] to 6V, T =-40°C to 85°C. A Units Conditions V Charging V Charge Complete, Standby µA Charging µA Charge Complete µA Standby (No Battery or PROG Floating) µA Shutdown (V < V ...
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... MCP73833/4 DC CHARACTERISTICS (CONTINUED) Electrical Specifications: Unless otherwise specified, all limits apply for V Typical values are at +25° (Typ)+1.0V] DD REG Parameters Preconditioning Current Regulation (Trickle Charge Constant Current Mode) Precondition Current Ratio I PREG Precondition Voltage Threshold V PTH Ratio Precondition Hysteresis Charge Termination ...
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... REG Symbol Min Typ Max T -40 — + -40 — +125 A T -65 — +150 A θ — 113 JA θ — MCP73833/4 (Typ)+0.3V] to 6V, T =-40°C to 85°C. A Units Conditions V 2.3V < V < V BAT REG V Falling DD V 2.3V < V < V BAT REG V Rising µ ° ...
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... Battery Regulation Voltage (V) FIGURE 2-3: Output Leakage Current (I ) vs. Battery Regulation Voltage DISCHARGE (V ). BAT DS22005A-page 6 = 5.2V 4.20V and T REG OUT 1000 MCP73833 OUT I = 100 mA OUT 100 I = 500 mA OUT I = 900 mA OUT 10 5.75 6.00 1 FIGURE 2-4: Programming Resistor (R 104 ...
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... 100 mA -10 OUT C OUT Ceramic -20 -30 -40 -50 -60 5.75 6.00 0.01 FIGURE 2-12: ). Rejection (PSRR). MCP73833/4 = +25°C, Constant-voltage mode. A Ambient Temperature (°C) Thermistor Bias Current ). A = 4.7 µF, X7R 0 100 1000 Frequency (kHz) Power Supply Ripple = 4.7 µF, X7R 0 100 1000 ...
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... C = 4.7 µF, X7R OUT -0.25 Ceramic -0.30 Time (µs) Load Transient Response. 200 160 120 5. Time (Minutes) Complete Charge Cycle 200 160 120 80 MCP73833-FCI/ 5. 10.0 k PROG Time (Minutes) Charge Cycle Start - © 2006 Microchip Technology Inc. ...
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... However, there is a diode path back to the input, and, as such, the PG output should only be pulled up to the input. The PG output is low whenever the input to the MCP73833 is above the UVLO threshold and greater than the battery voltage. © 2006 Microchip Technology Inc. ...
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... MCP73833/4 4.0 FUNCTIONAL DESCRIPTION The MCP73833 highly advanced linear charge management controller. Refer to the functional block diagram and Figure 4-1 that depicts the operational flow algorithm from charge initiation to completion and automatic recharge. SYSTEM TEST (LDO) MODE V > 100 mv) THERM DD PROG > 20 kΩ ...
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... If the input supply voltage is above the UVLO threshold, but below V (Typ)+0.3V, REG MCP73833/4 will pulse the STAT1 and PG outputs as the device determines if a battery is present. 4.3 Preconditioning If the voltage at the V pin is less than the BAT preconditioning threshold, the MCP73833/4 enters a ...
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... The recharge threshold is factory set. Refer to Section 1.0 “Electrical Characteristics” for recharge threshold options. 4.8 Thermal Regulation The MCP73833/4 limits the charge current based on the die temperature. The thermal regulation optimizes the charge cycle time while maintaining device reliabil- ity. Figure 4-2 depicts the thermal regulation for the MCP73833/4 ...
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... If temperature monitoring is not required, place a standard 10 kΩ resistor from THERM to V 5.1.4.1 The MCP73833/4 can be placed in a system test mode. In this mode, the MCP73833/4 operates as a low dropout linear regulator (LDO). The output voltage is regulated to the factory set voltage regulation option. ...
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... The PG output is low whenever the input to the MCP73833 is above the UVLO threshold and greater than the battery voltage. If the supply volt- age is above the UVLO, but below V the MCP73833 will pulse the PG output as the device determines if a battery is present. 5.2.3 TIMER ENABLE (TE) OPTION The timer enable (TE) input option is used to enable or disable the internal timer ...
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... APPLICATIONS The MCP73833/4 is designed to operate in conjunction with a host microcontroller or in stand-alone applica- tions. The MCP73833/4 provides the preferred charge algorithm for Lithium-Ion and Lithium-Polymer cells C IN LED Regulated Wall Cube FIGURE 6-1: Typical Application Circuit. 5.0 4.0 3.0 2.0 MCP73833-FCI/MF 1 ...
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... Alternatively, the DFN package could be utilized to reduce charge cycle times. 6.1.1.3 External Capacitors The MCP73833/4 is stable with or without a battery load. In order to maintain good AC stability in the Con- stant-voltage mode, a minimum capacitance of 4.7 µF is recommended to bypass the V BAT capacitance provides compensation when there is no battery load ...
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... Figures 6-4 and typical layout with PCB heatsinking. MCP73833 STAT1 STAT2 R PROG FIGURE 6-4: Typical Layout (Top FIGURE 6-5: Typical Layout (Bottom). © 2006 Microchip Technology Inc. and V pins, SS 6-5 depict a C OUT V BAT THERM PG V BAT MCP73833/4 DS22005A-page 17 ...
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... MCP73833-GPI/MF MCP73833-NVI/MF MCP73833-CNI/MF * Consult Factory for Alternative Device Options. 10-Lead MSOP Part Number * MCP73833-AMI/UN XXXXXX MCP73833-BZI/UN YWWNNN MCP73833-FCI/UN MCP73833-GPI/UN MCP73833-NVI/UN MCP73833-CNI/UN * Consult Factory for Alternative Device Options. Legend: XX...X Customer-specific information Y Year code (last digit of calendar year) YY Year code (last 2 digits of calendar year) WW Week code (week of January 1 is week ‘ ...
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... E2 .082 .094 .096 D .112 .118 .124 D2 .051 .065 .067 b .008 .010 .015 L .012 .016 .020 K .008 — — MCP73833 BOTTOM VIEW MILLIMETERS* MIN NOM MAX 10 0.50 BSC 0.80 0.90 1.00 0.00 0.02 0.05 0.20 REF. 2.85 3.00 3.15 2.08 2 ...
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... MCP73833/4 10-Lead Plastic Micro Small Outline Package (UN) (MSOP β Dimension Limits Number of Pins Pitch Overall Height Molded Package Thickness Standoff Overall Width Molded Package Width Overall Length Foot Length Footprint Foot Angle Lead Thickness Lead Width Mold Draft Angle Top Mold Draft Angle Bott om ...
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... APPENDIX A: REVISION HISTORY Revision A (September 2006) • Original Release of this Document. © 2006 Microchip Technology Inc. MCP73833/4 DS22005A-page 23 ...
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... MCP73833/4 NOTES: DS22005A-page 24 © 2006 Microchip Technology Inc. ...
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... Microchip Technology Inc. Examples MCP73833-AMI/UN: 10-lead MSOP pkg. b) MCP73833-BZI/UN: 10-lead MSOP pkg. c) MCP73833-CNI/MF: 10-lead DFN pkg. d) MCP73833-FCI/UN: 10-lead MSOP pkg. e) MCP73833-GPI/UN: 10-lead MSOP pkg. f) MCP73833-NVI/MF: 10-lead DFN pkg. a) MCP73834-CNI/MF: 10-lead DFN pkg. b) MCP73834-FCI/UN: 10-lead MSOP pkg. c) MCP73834-GPI/UN: 10-lead MSOP pkg. ...
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... MCP73833/4 NOTES: DS22005A-page 26 © 2006 Microchip Technology Inc. ...
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... Select Mode, Smart Serial, SmartTel, Total Endurance, UNI/O, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...
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... Fax: 886-3-572-6459 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 © 2006 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-3910 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...