Instrukcja obsługi Microchip MCP73213
Microchip
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MCP73213
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2009-2018 Microchip Technology Inc. DS20002190D-page 1
MCP73213
Features
• Complete Linear Charge Management Controller:
- Integrated Input Overvoltage Protection
- Integrated Pass Transistor
- Integrated Current Sense
- Integrated Reverse Discharge Protection
• Constant Current/Constant Voltage Operation
with Thermal Regulation
• 4.15V Undervoltage Lockout (UVLO)
• 13V Input Overvoltage Protection
• High Accuracy Preset Voltage Regulation through
Full Temperature Range (–5°C to +55°C ±0.6%)
• Battery Charge Voltage Options:
- 8.20V, 8.40V, 8.7V or 8.8V
• Resistor Programmable Fast Charge Current:
- 130 mA-1100 mA
• Preconditioning of Deeply Depleted Cells:
- Available Options: 10% or Disable
• Integrated Precondition Timer:
- 32 Minutes or Disable
• Automatic End-of-Charge Control:
- Selectable Minimum Current Ratio:
5%, 7.5%, 10% or 20%
- Elapse Safety Timer: 4 hr., 6 hr., 8 hr. or
Disable
• Automatic Recharge:
- Available Options: 95% or Disable
• Factory Preset Charge Status Output:
- On/Off or Flashing
• Soft Start
• Temperature Range: –40°C to +85°C
• Packaging: DFN-10 (3 mm x 3 mm)
Applications
• Digital Camcorders
• Portable Media Players
• Ultra Mobile Personal Computers
• Netbook Computers
• Handheld Devices
• Walkie-Talkie
• Low-Cost 2-Cell Li-Ion/Li-Poly Chargers/Cradles
Description
The MCP73213 is a highly integrated Li-Ion battery
charge management controller for use in space-limited
and cost-sensitive applications. The MCP73213
provides specific charge algorithms for dual-cell Li-Ion/
Li-Polymer batteries to achieve optimal capacity and
safety in the shortest charging time possible. Along
with its small physical size, the low number of external
components makes the MCP73213 ideally suitable for
portable applications. The absolute maximum voltage,
up to 18V, allows the use of MCP73213 in harsh
environments, such as low-cost wall wart or voltage
spikes from plug/unplug.
The MCP73213 employs a constant current/constant
voltage charge algorithm. The various charging voltage
regulations provide design engineers flexibility to use in
different applications. The fast charge, constant current
value is set with one external resistor from 130 mA to
1100 mA. The MCP73213 limits the charge current
based on die temperature during high-power or high-
ambient conditions. This thermal regulation optimizes
the charge cycle time while maintaining device
reliability.
The PROG pin of the MCP73213 also serves as enable
pin. When high impedance is applied, the MCP73213
will be in Standby mode.
The MCP73213 is fully specified over the ambient
temperature range of -40°C to +85°C. The MCP73213
is available in a 10-lead DFN package.
Package Types (Top View)
MCP73213
3x3 DFN *
VBAT
VDD
VBAT
VSS
VSS
1
2
3
4
10
9
8
7STAT
PROGVDD
* Includes Exposed Thermal Pad (EP); see Table 3-1.
EP
11
NC 5 6 NC
Dual-Cell Li-Ion/Li-Polymer Battery Charge Management
Controller with Input Overvoltage Protection
MCP73213
DS20002190D-page 2 2009-2018 Microchip Technology Inc.
Typical Application
VDD
5
3
1
2
8
7
RPROG
9
10
CIN COUT
RLED
+
-
2-Cell
Li-Ion
Battery
6
4
MCP73213
VDD
STAT
NC
NC
VBAT
VBAT
PROG
VSS
VSS
AC-DC-Adapter
2009-2018 Microchip Technology Inc. DS20002190D-page 3
TABLE 1: AVAILABLE FACTORY PRESET OPTIONS
TABLE 2: STANDARD SAMPLE OPTIONS
Charge
Voltage OVP Preconditioning
Charge Current
Preconditioning
Threshold
Precondition
Timer
Elapse
Timer
End-of-Charge
Control
Aut
Re
8.2V 13V Disable/10% 66.5%/71.5% Disable/
32 Minimum
Disable/4 hr/
6 hr/8 hr
5%/7.5%/
10%/20%
8.4V 13V Disable/10% 66.5%/71.5% Disable/
32 Minimum
Disable/4 hr/
6 hr/8 hr
5%/7.5%/
10%/20%
8.7V 13V Disable/10% 66.5%/71.5% Disable/
32 Minimum
Disable/4 hr/
6 hr/8 hr
5%/7.5%/
10%/20%
8.8V 13V Disable/10% 66.5%/71.5% Disable/
32 Minimum
Disable/4 hr/
6 hr/8 hr
5%/7.5%/
10%/20%
Note 1: IREG: Regulated fast charge current.
2: VREG: Regulated charge voltage.
3: IPREG/IREG: Preconditioning charge current; ratio of regulated fast charge current.
4: ITERM/IREG: End-of-Charge control; ratio of regulated fast charge current.
5: VRTH /V
REG: Recharge threshold; ratio of regulated battery voltage.
6: VPTH/VREG: Preconditioning threshold voltage.
7: Type 1: On/Off; Type 2: Flashing. Please refer to Table 5-2.
Part
Number
VREG OVP IPREG /IREG Precharge
Timer
Elapse
Timer
ITERM/IREG VRTH/VREG VP
MCP73213-B6S/MF 8.20V 13V 10% 32 Minimum 6 hr 10% 95%
MCP73213-A6S/MF 8.40V 13V 10% 32 Minimum 6 hr 10% 95%
Note 1: Customers should contact their distributor, representatives or field application engineer (FAE) for support and sample. Local sa
able to help customers. A listing of sales offices and locations is included at the back of this document. Technical support is ava
at: http://www.microchip.com/support
Specyfikacje produktu
| Marka: | Microchip |
| Kategoria: | nieskategoryzowany |
| Model: | MCP73213 |
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