MCP73842-840I/UN
Battery Charger for 2 Cells of Li-Ion, Li-Pol battery, 9.4V input, 8.4V / 1A charge, MSOP-10
| Manufacturer | MICROCHIP |
|---|---|
| Manufacturer Part No | MCP73842-840I/UNCopy |
| Manufacturer Standard Lead Time | 15 weeks |
| Order Code | 1852162 |
| Your Part Number | |
| Technical Datasheet |
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| Quantity | Price (Incl GST) |
|---|---|
| 1+ | $2.930 ($3.3695) |
| 25+ | $2.680 ($3.082) |
| 100+ | $2.430 ($2.7945) |
Product Information
| Manufacturer | MICROCHIP |
|---|---|
| Manufacturer Part No | MCP73842-840I/UNCopy |
| Manufacturer Standard Lead Time | 15 weeks |
| Order Code | 1852162 |
| Technical Datasheet | |
| Battery Type | Li-Ion, Li-Pol |
| Input Voltage | 9.4V |
| Battery Charge Voltage | 8.4V |
| Charge Current | 1A |
| IC Case / Package | MSOP |
| No. of Pins | 10Pins |
| No. of Cells | 2Cells |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 85°C |
| IC Mounting | Surface Mount |
| Product Range | - |
| MSL | MSL 1 - Unlimited |
| SVHC | No SVHC (04-Feb-2026) |
Product Overview
The MCP73842-840I/UN is an advanced dual cell lithium-ion/lithium-polymer Charge Management Controller combines high accuracy constant-voltage (0.5% maximum) constant-current regulation, cell pre-conditioning, cell temperature monitoring, advanced safety timers, automatic charge termination and charge status indication. The device provides a complete, fully functional, stand-alone charge management solution for applications utilizing dual series cell Lithium-Ion or Lithium-Polymer battery packs. Two preset voltage regulation options are 8.2 and 8.4V for use with either coke or graphite anodes. The MCP73842 operates with an input voltage range of 8.7 to 12V and is fully specified over the ambient temperature range of -40 to 85°C.
- Safety charge timers
- Automatic charge termination
- Automatic recharge
- Temperature monitor
- Charge status indicator
- 0.5% (maximum) High accuracy voltage regulation
- Automatic preconditioning of deeply depleted cells
- 0.25µA Typical shutdown current
- No inductor required
- Programmable charge current
- Automatic power-down when input power removed
Applications
Power Management, Consumer Electronics
Warnings
ESD sensitive device, take proper precaution while handling the device.
Technical Specifications
| Battery Type | Li-Ion, Li-Pol |
|---|---|
| Battery Charge Voltage | 8.4V |
| IC Case / Package | MSOP |
| No. of Cells | 2Cells |
| Operating Temperature Max | 85°C |
| Product Range | - |
| SVHC | No SVHC (04-Feb-2026) |
| Input Voltage | 9.4V |
|---|---|
| Charge Current | 1A |
| No. of Pins | 10Pins |
| Operating Temperature Min | -40°C |
| IC Mounting | Surface Mount |
| MSL | MSL 1 - Unlimited |
Legislation and Environmental
| Country of Origin: Country in which last significant manufacturing process was carried outCountry of Origin: | United States Country in which last significant manufacturing process was carried out |
|---|---|
| Tariff No: | 85423990 |
| US ECCN: | EAR99 |
| EU ECCN: | NLR |
| RoHS Compliant: | Yes RoHS |
| RoHS Phthalates Compliant: | Yes RoHS |
| SVHC: | No SVHC (04-Feb-2026) |
| Download Product Compliance Certificate | Product Compliance Certificate |
| Weight (kg): | .000744 |