MCP73123-22SI/MF Microchip Technology, MCP73123-22SI/MF Datasheet

IC LI IRON PHOSPHATE CTRLR 10DFN

MCP73123-22SI/MF

Manufacturer Part Number
MCP73123-22SI/MF
Description
IC LI IRON PHOSPHATE CTRLR 10DFN
Manufacturer
Microchip Technology
Datasheet

Specifications of MCP73123-22SI/MF

Battery Type
Lithium Iron Phosphate (LiFePO4)
Package / Case
10-DFN
Function
Charge Management
Voltage - Supply
4 V ~ 16 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Product
Charge Management
Output Voltage
3.6 V
Output Current
130 mA to 1100 mA
Operating Supply Voltage
4.2 V to 13 V
Supply Current
700 uA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Charge Safety Timers
No
Mounting Style
SMD/SMT
Temperature Monitoring
No
Uvlo Start Threshold
4.15 V
Uvlo Stop Threshold
4.05 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
MCP73X23EV-LFP - BOARD EVAL BATT CHARGER MCP73X23
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MCP73123-22SI/MF
Manufacturer:
MICRON
Quantity:
7 600
Features
• Complete Linear Charge Management Controller:
• Constant Current/Constant Voltage Operation
• 4.15V Undervoltage Lockout (UVLO)
• 18V Absolute Maximum Input with OVP:
• High Accuracy Preset Voltage Regulation
• Battery Charge Voltage Options:
• Resistor Programmable Fast Charge Current:
• Preconditioning of Deeply Depleted Cells:
• Integrated Precondition Timer:
• Automatic End-of-Charge Control:
• Automatic Recharge:
• Factory Preset Charge Status Output:
• Soft Start
• Temperature Range: -40°C to +85°C
• Packaging: DFN-10 (3 mm x 3 mm)
Applications
• Low-Cost LiFePO
• Power Tools
• Toys
• Backup Energy Storage Solutions
 2011 Microchip Technology Inc.
Management Controller with Input Overvoltage Protection
- Integrated Input Overvoltage Protection
- Integrated Pass Transistor
- Integrated Current Sense
- Integrated Reverse Discharge Protection
with Thermal Regulation
- 6.5V - MCP73123
- 13V - MCP73223
Through Full Temperature Range (-5°C to +55°C):
- +0.5% - MCP73123
- +0.6% - MCP73223
- 3.6V - MCP73123
- 7.2V - MCP73223
- 130 mA - 1100 mA
- Available Options: 10% or Disable
- 32 Minutes or Disable
- Selectable Minimum Current Ratio:
- Elapse Safety Timer: 4 HR, 6 HR, 8 HR or
- Available Options: 95% or Disable
- On/Off or Flashing
5%, 7.5%, 10% or 20%
Disable
Lithium Iron Phosphate (LiFePO
4
Battery Chargers
MCP73123/223
Description
The MCP73123/223 is a highly integrated Lithium Iron
Phosphate (LiFePO
controller for use in space-limited and cost-sensitive
applications. The MCP73123/223 provides specific
charge algorithms for LiFePO
optimal capacity and safety in the shortest charging
time possible. Along with its small physical size, the low
number
MCP73123/223
applications. The absolute maximum voltage, up to
18V, allows the use of MCP73123/223 in harsh
environments, such as low cost AC adapter or voltage
spikes from plugging/unplugging.
The MCP73123/223 employs a constant current/
constant voltage charge algorithm. The 3.6V per cell
factory preset reference voltage simplifies design with
2V preconditioning threshold. The fast charge,
constant current value is set with one external resistor
from 130 mA to 1100 mA. The MCP73123/223 also
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 MCP73123/223 also serves as
enable pin. When high impedance is applied, the
MCP73123/223 will be in Standby mode.
The MCP73123/223 is fully specified over the ambient
temperature range of -40°C to +85°C. The MCP73123/
223 is available in a 10 lead DFN package.
Package Types (Top View)
* Includes Exposed Thermal Pad (EP); see
4
of
) Battery Charge
V
V
V
V
external
BAT
BAT
NC 5
DD
DD
ideally
MCP73123/223
1
2
3
4
4
) battery charge management
3x3 DFN *
EP
11
components
suitable
10
4
9
8
7 STAT
6 NC
batteries to achieve
PROG
V
V
SS
SS
DS22191C-page 1
for
makes
Table
various
3-1.
the

Related parts for MCP73123-22SI/MF

MCP73123-22SI/MF Summary of contents

Page 1

... The fast charge, constant current value is set with one external resistor from 130 mA to 1100 mA. The MCP73123/223 also 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 ...

Page 2

... Local sales offices are also available to help customers. A listing of sales offices and locations is included in the back of this document. Technical support is available through the web site at: http//support.microchip.com. 2: Contact your local Microchip sales office for alternative device options. DS22191C-page 2 MCP73123 Typical Application ...

Page 3

... SHDN VO UVLO REG Charge Charge Control, STAT Timer, and Status Logic Input OverVP Thermal Regulation  2011 Microchip Technology Inc. (1.21V Precondition + Term - + 6.5V/13V - 110° *Only available on selected options MCP73123/223 VO REG V BAT Current Limit + V - REF 95 REG V + BAT *Recharge DS22191C-page 3 ...

Page 4

... MCP73123/223 NOTES: DS22191C-page 4  2011 Microchip Technology Inc. ...

Page 5

... DD STOP µA Charge Complete present MCP73123 V MCP73223 -5°C to +55° OUT - MCP73123 % T = -5°C to +55° -5°C to +55° OUT - MCP73123 % T = -5°C to +55° (Typical)+1V REG - MCP73123 (Typical)+1V] to 12V DD REG - MCP73223 OUT % 150 mA OUT (Typical)+1V] DD REG DS22191C-page 5 ...

Page 6

... V MCP73223 T =-5°C to +55°C A PROG = 10 k PROG = 1.1 k % PROG = 1 kto 10 k T =-5°C to +55° Preconditioning V MCP73123, V Low-to-High BAT V MCP73223, V Low-to-High BAT V High-to-Low (Note 1) BAT % PROG = 1 kto 10 k T =-5°C to +55°C ...

Page 7

... Min Typ Max T -40 — + -40 — +125 J T -65 — +150 A  — 43 — JA MCP73123/223 (Typical)+0.3V] to 6V, T =-40°C to +85°C. A Units Conditions — Hours Timer Disabled 4.4 Hours 6.6 Hours 8.8 Hours — Hours Disabled Timer 0.6 Hours µ SINK ...

Page 8

... MCP73123/223 NOTES: DS22191C-page 8  2011 Microchip Technology Inc. ...

Page 9

... Ambient Temperature (T BAT 1200 1100 1000 900 800 700 600 500 400 300 200 100 0 11.4 12 1011121314151617181920 FIGURE 2-6: Programming Resistor (R MCP73123/223 = +25°C, Constant Voltage mode 9. Ambient Temperature (°C) Battery Regulation Voltage ). A = 150 Ambient Temperature (°C) Battery Regulation Voltage ). ...

Page 10

... MCP73123/223 TYPICAL PERFORMANCE CURVES (CONTINUED) Note: Unless otherwise indicated 950 930 910 890 870 850 830 810 790 R = 1.33 kΩ PROG T = +25°C 770 A 750 4.5 4.8 5.1 5.4 Supply Voltage (V) FIGURE 2-7: Charge Current (I Programming Resistor (R ). PROG 675 655 635 ...

Page 11

... LiFePO FIGURE 2-17 mA, Source Voltage: 2V/Div, Output LOAD Ripple: 100 mV/Div, Time: 100 µs/Div). FIGURE 2-18 100 mA, Source Voltage: 2V/Div, Output LOAD Ripple: 100 mV/Div, Time: 100 µs/Div). MCP73123/223 = +25°C, Constant Voltage mode Thermal Regulation 0.9 0.8 0.7 0.6 0.5 0.4 ...

Page 12

... MCP73123/223 NOTES: DS22191C-page 12  2011 Microchip Technology Inc. ...

Page 13

... The Exposed Thermal Pad (EP) shall be connected to the exposed copper area on the Printed Circuit Board (PCB) for the thermal enhancement. Additional vias on the copper area under the MCP73123/223 device can improve the performance of heat dissipation and simplify the assembly process. Connecting recommended. ...

Page 14

... MCP73123/223 NOTES: DS22191C-page 14  2011 Microchip Technology Inc. ...

Page 15

... DEVICE OVERVIEW The MCP73123/223 are simple, but fully integrated linear charge management controllers. depicts the operational flow algorithm. V < OVP V > OVP V > OVP OVERVOLTAGE PROTECTION No Charge Current STAT = Hi-Z Timer Suspended V < > OVP DD OVP V < OVP Die Temperature < T SDHYS Charge Mode Resume Die Temperature > ...

Page 16

... MCP73123/223 NOTES: DS22191C-page 16  2011 Microchip Technology Inc. ...

Page 17

... The automatic circuit is always active. At any time the input supply is within + the voltage at the V pin, the MCP73123/223 is placed in a Shutdown BAT mode. For a charge cycle to begin, the automatic power down conditions must be met and the charge enable input must be above the input high threshold ...

Page 18

... For the MCP73123/223 device with no recharge option, 1.60k the MCP73123/223 will go into Standby mode when the termination condition is met. The charge will not restart 1.50k until the following conditions have been met: 1.50k • Battery is removed from the system and inserted 1 ...

Page 19

... Thermal Regulation The MCP73123/223 limits the charge current, based on the die temperature. This thermal regulation optimizes the charge cycle time while maintaining device reliability. Figure 5-1 depicts the thermal regulation for the MCP73123/223 device. Refer to Section 1.0 “Electrical Characteristics” ...

Page 20

... MCP73123/223 NOTES: DS22191C-page 20  2011 Microchip Technology Inc. ...

Page 21

... APPLICATIONS The MCP73123/223 is designed to operate in conjunction with a host microcontroller or in stand-alone applications. The provides the preferred charge algorithm for lithium iron phosphate cells, Constant Current mode followed by Constant Voltage mode. Figure 6-1 depicts a typical stand-alone application circuit, while Figure 6-2 depicts the accompanying charge profile ...

Page 22

... This power dissipation with the battery charger in the DFN-10 package approximately 83C above room temperature. 6.1.1.3 External Capacitors The MCP73123/223 is stable with or without a battery load. In order to maintain good AC stability in the Figure 6-1 is Constant Voltage mode, a minimum capacitance of 1 µF is recommended to bypass the V This capacitance provides compensation when there is no battery load ...

Page 23

... Figure 6-3, Figure 6-5 depict a typical layout with PCB heatsinking. MCP73X23EV-LFP FIGURE 6-3: Typical Layout (Top). FIGURE 6-4: Typical Layout (Top Metal).  2011 Microchip Technology Inc. and V pins SS Figure 6-4 and FIGURE 6-5: MCP73123/223 Typical Layout (Bottom). DS22191C-page 23 ...

Page 24

... MCP73123/223 NOTES: DS22191C-page 24  2011 Microchip Technology Inc. ...

Page 25

... In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information.  2011 Microchip Technology Inc. Standard * Part Number Code MCP73123-22SI/MF 77HI MCP73223-C2SI/MF X7HI MCP73123/223 Example: 77HI ...

Page 26

... MCP73123/223 /HDG 3ODVWLF 'XDO )ODW 1R /HDG 3DFNDJH 0) ± [[ PP %RG\ >')1@ 1RWH 1RWHV DS22191C-page 26  2011 Microchip Technology Inc. ...

Page 27

... PP %RG\ >')1@ 1RWH  2011 Microchip Technology Inc. MCP73123/223 DS22191C-page 27 ...

Page 28

... MCP73123/223 NOTES: DS22191C-page 28  2011 Microchip Technology Inc. ...

Page 29

... Revision B (January 2010) The following is the list of modifications: 1. Updated the OVP value for MCP73223-C2S/MF in Table 2. 2. Updated the Battery Short Protection values in the DC Characteristics table. Revision A (July 2009) • Original Release of this Document.  2011 Microchip Technology Inc. MCP73123/223 2. DS22191C-page 29 ...

Page 30

... MCP73123/223 NOTES: DS22191C-page 30  2011 Microchip Technology Inc. ...

Page 31

... MF = Plastic Dual Flat No Lead, 3x3 mm Body (DFN), 10-Lead  2011 Microchip Technology Inc. MCP73123/223 . Examples: a) MCP73123-22SI/MF: Single Cell Lithium Iron Phosphate Battery Device b) MCP73123T-22SI/MF: Tape and Reel, Single Cell Lithium Iron Phosphate Battery Device a) MCP73223-C2SI/MF: Dual Cell Lithium Iron Phosphate Battery Device ...

Page 32

... MCP73123/223 NOTES: DS22191C-page 32  2011 Microchip Technology Inc. ...

Page 33

... PICtail, REAL ICE, rfLAB, Select Mode, Total Endurance, TSHARC, UniWinDriver, 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. ...

Page 34

... Philippines - Manila Tel: 63-2-634-9065 Fax: 63-2-634-9069 Singapore Tel: 65-6334-8870 Fax: 65-6334-8850 Taiwan - Hsin Chu Tel: 886-3-6578-300 Fax: 886-3-6578-370 Taiwan - Kaohsiung Tel: 886-7-213-7830 Fax: 886-7-330-9305 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350  2011 Microchip Technology Inc. 08/04/10 ...

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