lx2203a Microsemi Corporation, lx2203a Datasheet
lx2203a
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lx2203a Summary of contents
Page 1
... The Microsemi LX2203A is a tiny linear battery charger for Lithium Ion or Lithium Polymer batteries. The LX2203A includes built in MOSFET, accurate current and voltage regulation, reverse blocking protection, over temperature control, and charge status indicator. The accurate programmable ...
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... 49qC/W MBIENT Description Microsemi Integrated Products Division LX2203A Li-Ion Battery Charger RODUCTION ATA HEET VIN 1 VIN 2 STAT 3 Connect Bottom to ...
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... V EN Logic < V BAT BAT VIN V UVLO+ V UVLO- Microsemi Integrated Products Division LX2203A D S RODUCTION ATA HEET 70qC except where otherwise A = 150k. LX2203A Min Typ Max 4. 1.25 1.25 4.16 4.2 4. 0.9 1.0 1 4.5 0.5 2 ...
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... 1400 1200 1000 800 600 400 200 0 Microsemi Integrated Products Division LX2203A Li-Ion Battery Charger RODUCTION ATA HEET 4.0 8.0 12.0 Iccp Current (µA) V Post Trim Bat Volt mA 16 ...
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... ENABLE UVLO CHARGE CONTROL CONSTANT VOLTAGE CONTROL TEMPERATURE CONTROL CONDITIONING THRESHOLD CONSTANT CURRENT CONTROL Figure 1 – Simplified Block Diagram Microsemi Integrated Products Division LX2203A D S RODUCTION ATA HEET STAT BAT CHARGE CTP TERMINATION CONTROL CONDITION CURRENT Page 5 ...
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... Return to START if EN changes state or VIN is removed. SLEEP CONDITION CHARGE MODE REDUCE CHARGE CURRENT Figure 2 – Control Flow Diagram Microsemi Integrated Products Division LX2203A Li-Ion Battery Charger RODUCTION ATA HEET CONSTANT VOLTAGE CHARGE MODE REDUCE NO 150 CHARGE TEMP < ...
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... VIN BAT VIN BAT LX2203A STAT CMP CTP CCP GND VIN BAT VIN BAT LX2203A STAT CMP CTP EN CCP GND BSS138DW-7 IBAT CP1 CP2 100mA L L 500mA Microsemi Integrated Products Division LX2203A D S ATA HEET + EN + 0.01µF 1.21M Page 7 ...
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... It is important to provide a low thermal impedance path from the thermal pad on the bottom of the LX2203A package to the ground plane of the circuit board to maximize the heat dissipation. To minimize charge time it is best not to rely on the thermal control feature as this feature will extend the charging time when activated. Copyright ¤ ...
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... For V = 3.3V and R CC These values should provide charge currents of 100mA and . 500mA C OMPENSATION CAPACITOR A compensation capacitor of value 0.01µF is required between the CMP pin and V Microsemi Integrated Products Division LX2203A Li-Ion Battery Charger RODUCTION ATA HEET CCP Vcc R1 R2 CCP Rsw 243k 1 ...
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... MIN MAX MIN MAX A 0.80 1.00 0.0315 0.0394 A1 0 0.05 0 0.0019 A3 0.20 REF 0.0079 REF b 0.18 0.30 0.0071 0.0118 D 3.00 BSC 0.1181 BSC D2 2.23 2.48 0.0878 0.0976 e 0.50 BSC 0.0197 BSC E 3.00 BSC 0.1181 BSC E2 1.49 1.74 0.0587 0.0685 L 0.30 0.50 0.0071 0.0197 Microsemi Integrated Products Division LX2203A D S ATA HEET L Bot View D2 A3 Page 10 ...
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... Microsemi reserves the right to change the configuration and performance of the product and to discontinue product at any time. Copyright ¤ 2004 Rev. 1.0a, 2005-10-21 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Li-Ion Battery Charger ® P RODUCTION Microsemi Integrated Products Division LX2203A D S ATA HEET Page 11 ...