MCP73213
Dual-Cell Li-Ion/Li-Polymer Battery Charge Management
Controller with Input Overvoltage Protection
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)
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 *
V
DD
V
DD
V
BAT
V
BAT
NC
1
2
3
4
5
10
9
8
7
6
PROG
V
SS
V
SS
STAT
NC
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
EP
11
* Includes Exposed Thermal Pad (EP); see
Table 3-1.
2009-2014 Microchip Technology Inc.
DS20002190C-page 1
TABLE 1:
Charge
Voltage
8.2V
8.4V
8.7V
8.8V
Note 1:
2:
3:
4:
5:
6:
7:
AVAILABLE FACTORY PRESET OPTIONS
OVP
13V
13V
13V
13V
Preconditioning
Charge Current
Disable/10%
Disable/10%
Disable/10%
Disable/10%
Preconditioning
Threshold
66.5%/71.5%
66.5%/71.5%
66.5%/71.5%
66.5%/71.5%
Precondition
Timer
Disable/
32 Minimum
Disable/
32 Minimum
Disable/
32 Minimum
Disable/
32 Minimum
Elapse
Timer
Disable/4 hr/
6 hr/8 hr
Disable/4 hr/
6 hr/8 hr
Disable/4 hr/
6 hr/8 hr
Disable/4 hr/
6 hr/8 hr
End-of-Charge
Control
5%/7.5%/
10%/20%
5%/7.5%/
10%/20%
5%/7.5%/
10%/20%
5%/7.5%/
10%/20%
Automatic
Recharge
No/
Yes
No/
Yes
No/
Yes
No/
Yes
Output
Status
Type 1/
Type 2
Type 1/
Type 2
Type 1/
Type 2
Type 1/
Type 2
2009-2014 Microchip Technology Inc.
DS20002190C-page 3
I
REG
: Regulated fast charge current.
V
REG
: Regulated charge voltage.
I
PREG
/I
REG
: Preconditioning charge current; ratio of regulated fast charge current.
I
TERM
/I
REG
: End-of-Charge control; ratio of regulated fast charge current.
V
RTH
/V
REG
: Recharge threshold; ratio of regulated battery voltage.
V
PTH
/V
REG
: Preconditioning threshold voltage.
Type 1: On/Off; Type 2: Flashing. Please refer to
Table 5-2.
TABLE 2:
STANDARD SAMPLE OPTIONS
V
REG
8.20V
8.40V
OVP
13V
13V
I
PREG
/I
REG
10%
10%
Precharge
Timer
32 Minimum
32 Minimum
Elapse
Timer
6 hr
6 hr
I
TERM
/I
REG
10%
10%
V
RTH
/V
REG
95%
95%
V
PTH
/V
REG
71.5%
71.5%
Output
Status
Type 1
Type 1
Part
Number
MCP73213-B6S/MF
MCP73213-A6S/MF
Note 1:
Customers should contact their distributor, representatives or field application engineer (FAE) for support and sample. Local sales offices are also avail-
able to help customers. A listing of sales offices and locations is included at the back of this document. Technical support is available through the web site
at:
http://www.microchip.com/support
MCP73213
MCP73213
1.0
ELECTRICAL
CHARACTERISTICS
† Notice:
Stresses above those listed under “Maximum
Ratings” may cause permanent damage to the device.
This is a stress rating only and functional operation of
the device at those or any other conditions above those
indicated in the operational listings of this specification
is not implied. Exposure to maximum rating conditions
for extended periods may affect device reliability.
Absolute Maximum Ratings†
V
DD
...................................................................... 18.0V
V
PROG
................................................................... 6.0V
All Inputs and Outputs w.r.t. V
SS
.....-0.3 to (V
DD
+0.3)V
Maximum Junction Temperature, T
J
. Internally Limited
Storage Temperature ......................... -65°C to +150°C
ESD Protection on All Pins
4
kV HBM
ESD Protection on All Pins
300V
MM
DC CHARACTERISTICS
Electrical Specifications:
Unless otherwise indicated, all limits apply for V
DD
= [V
REG
(Typical) + 0.3V] to 12V,
T
A
= -40°C to +85°C. Typical values are at +25°C, V
DD
= [V
REG
(Typical) + 1.0V]
Parameters
Supply Input
Input Voltage Range
Operating Supply Voltage
Supply Current
V
DD
V
DD
I
SS
4
4.2
—
—
—
—
Battery Discharge Current
Output Reverse Leakage
Current
I
DISCHARGE
—
—
—
Undervoltage Lockout
UVLO Start Threshold
UVLO Stop Threshold
UVLO Hysteresis
Overvoltage Protection
OVP Start Threshold
OVP Hysteresis
Regulated Output Voltage
Options
V
OVP
V
OVPHYS
V
REG
12.8
—
8.15
8.35
8.65
8.75
Output Voltage Tolerance
Line Regulation
Load Regulation
Note 1:
V
RTOL
V
BAT
/
V
BAT
)/V
DD
|
V
BAT
/V
BAT
|
-0.6
—
—
13
150
8.20
8.40
8.70
8.80
—
0.05
0.05
13.2
—
8.25
8.45
8.75
8.85
0.6
0.20
0.20
V
mV
V
V
V
V
%
%/V
%
V
DD
= [V
REG
(Typical)+1V] to 12V
I
OUT
= 50 mA
I
OUT
= 50 mA - 150 mA
V
DD
= [V
REG
(Typical)+1V]
T
A
= -5°C to +55°C
V
DD
= [V
REG
(Typical)+1V]
I
OUT
= 50 mA
V
START
V
STOP
V
HYS
4.10
4.00
—
4.15
4.05
100
4.25
4.10
—
V
V
mV
0.5
0.5
10
2
2
17
µA
µA
µA
Standby (PROG Floating)
Shutdown (V
DD
≤
V
BAT
or V
DD
< V
STOP
)
Charge Complete; V
DD
is pres-
ent
—
—
4
700
50
50
16
13
5.5
1500
125
150
V
V
µA
µA
µA
µA
Shutdown (V
DD
≤
V
BAT
- 150 mV)
Charging
Standby (PROG Floating)
Charge Complete; No Battery;
V
DD
< V
STOP
Sym.
Min.
Typ.
Max.
Units
Conditions
Voltage Regulation (Constant Voltage Mode)
Not production tested. Ensured by design.
2009-2014 Microchip Technology Inc.
DS20002190C-page 5
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