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MCP73832-2ACI/OT

Microchip TechnologyExtended

-40℃~+85℃ 1 1uA 3.75V~6V 4.2V 550mA Charging IC Constant current charging、Constant voltage charging、Trickle charging、Automatic recharge、Charge termination、Programmable charging current、Under-voltage lockout、Reverse current blocking Lithium Battery Not supported SOT-23-5 Battery Management ROHS

Part id
microchip/MCP73832-2ACI/OT
Category
Battery Management
Package
SOT-23-5
Pins
5
In stock
10,559 at JLCPCB (C38066)
Used on
1 open-source board

Overview

The MCP73832-2ACI/OT is a battery Management made by Microchip Technology in a SOT-23-5 package with 5 pins. -40℃~+85℃ 1 1uA 3.75V~6V 4.2V 550mA Charging IC Constant current charging、Constant voltage charging、Trickle charging、Automatic recharge、Charge termination、Programmable charging current、Under-voltage lockout、Reverse current blocking Lithium Battery Not supported SOT-23-5 Battery Management ROHS.

PCBKit's library has its KiCad symbol (dk_PMIC-Battery-Chargers:MCP73832T-2ACI_OT, from Digikey) and its footprint (Package_TO_SOT_SMD:SOT-23-5, from KiCad's library), ready for a KiCad board. 10,559 are in stock at JLCPCB (part C38066). 1 open-source board in 1 repository on GitHub use it.

Symbol

STAT1VSS2VBAT3VDD4PROG5
dk_PMIC-Battery-Chargers:MCP73832T-2ACI_OTFrom Digikey

Footprint

12345
Package_TO_SOT_SMD:SOT-23-5From KiCad's library

From the datasheet

15
Supply, least
3.75 V · VDD, DC supply voltage min · p. 3
Supply, most
6 V · VDD, DC supply voltage max · p. 3
Supply, absolute maximum
7 V · VDD, absolute maximum · p. 3
Works from
-40 °C · TA, specified ambient temperature min · p. 5
Works up to
85 °C · TA, specified ambient temperature max · p. 5
Junction, hottest
125 °C · TJ, operating junction temperature max · p. 5
Takes working
510 µA · VDD supply current, charging, typical · p. 3
Takes at most
1.5 mA · VDD supply current, charging, max · p. 3
Takes asleep
25 µA · VDD supply current, PROG floating, typical · p. 3
Takes asleep
1 µA · VDD supply current, VDD < VBAT - 50 mV, typical · p. 3
Takes asleep
100 nA · VDD supply current, VDD < VSTOP, typical · p. 3
Gives
500 mA · programmable charge current max · p. 1
Output
4.2 V · VBAT regulated output, MCP7383X-2, typical · p. 3
A pin gives at most
25 mA · STAT sink current max · p. 4
Junction to air (5-Lead, SOT-23)
230 K/W · junction to ambient, 4-layer JC51-7 board, natural convection, typical · p. 5

What it is and has

10
Charge management
Linear · p. 1
Pass transistor
Integrated · p. 1
Current sense
Integrated · p. 1
Protection
Reverse discharge protection · p. 1
Voltage regulation accuracy
+ 0.75% · p. 1
Programmable charge current
15 mA to 500 mA · p. 1
Charge status output
Open-drain · p. 1
Automatic power-down
Available · p. 1
Thermal regulation
Available · p. 1
Package
5-Lead, SOT-23 · p. 1

Around it

2
cap minimum 4.7 µF
between VDD and VSS; Input supply bypass capacitor. · p. 11
cap minimum 4.7 µF
between VBAT and VSS; Ensures loop stability when the battery is disconnected. · p. 11

Specifications

49
ParameterConditionsAs printedPage
VDD VDDmax 7 V3
All Inputs and Outputs w.r.t. VSSMaximum is (VDD+0.3)Vmin -0.3 V3
Storage temperaturemin -65 · max 150 °C3
ESD protection on all pins: Human Body Model1.5 k in Series with 100 pFmin 4 kV3
ESD protection on all pins: Machine Model200 pF, No Series Resistancemax 400 V3
Supply Voltage VDDmin 3.75 · max 6 V3
Supply Current ISSChargingtyp 510 · max 1500 uA3
Supply Current ISSCharge Complete, No Batterytyp 53 · max 200 uA3
Supply Current ISSPROG Floatingtyp 25 · max 50 uA3
Supply Current ISSVDD < (VBAT - 50 mV)typ 1 · max 5 uA3
Supply Current ISSVDD < VSTOPtyp 0.1 · max 2 uA3
UVLO Start Threshold VSTARTVDD Low-to-Highmin 3.3 · typ 3.45 · max 3.6 V3
UVLO Stop Threshold VSTOPVDD High-to-Lowmin 3.2 · typ 3.38 · max 3.5 V3
UVLO Hysteresis VHYStyp 70 mV3
Regulated Output Voltage VREGMCP7383X-2; VDD = [VREG(typical)+1V]; IOUT = 10 mA; TA = -5°C to +55°Cmin 4.168 · typ 4.2 · max 4.232 V3
Line Regulation VBAT/VBAT)/VDD|VDD = [VREG(typical)+1V] to 6V, IOUT = 10 mAtyp 0.09 · max 0.3 %/V3
Load Regulation VBAT/VBAT|IOUT = 10 mA to 50 mA; VDD = [VREG(typical)+1V]typ 0.05 · max 0.3 %3
Supply Ripple Attenuation PSRRIOUT=10 mA, 10Hz to 1 kHztyp 52 dB3
Supply Ripple Attenuation PSRRIOUT=10 mA, 10Hz to 10 kHztyp 47 dB3
Supply Ripple Attenuation PSRRIOUT=10 mA, 10Hz to 1 MHztyp 22 dB3
Fast Charge Current Regulation IREGPROG = 10 kmin 90 · typ 100 · max 110 mA3
Fast Charge Current Regulation IREGPROG = 2.0 k; Note 1: Not production tested. Ensured by design.min 450 · typ 505 · max 550 mA3
Fast Charge Current Regulation IREGPROG = 67 k; TA = -5°C to +55°Cmin 12.5 · typ 14.5 · max 16.5 mA3
Precondition Hysteresis VPHYSVBAT High-to-Lowtyp 110 mV4
ON-Resistance RDSONVDD = 3.75V, TJ = 105°Ctyp 350 m4
Battery Detection Current IBAT_DETVBAT Source Currenttyp 6 uA4
No-Battery-Present Impedance ZNO_BATVBAT Impedance ≥ ZNO_BAT for No Battery condition; Note 1: Not production tested. Ensured by design.min 2 M4
Output Reverse Leakage Current IDISCHARGEPROG Floatingtyp 0.15 · max 2 uA4
Output Reverse Leakage Current IDISCHARGEVDD Floatingtyp 0.25 · max 2 uA4
Output Reverse Leakage Current IDISCHARGEVDD < VSTOPtyp 0.15 · max 2 uA4
Output Reverse Leakage Current IDISCHARGECharge Completetyp -5.5 · max -15 uA4
Sink Current ISINKSTATmax 25 mA4
Low Output Voltage VOLISINK = 4 mAtyp 0.4 · max 1 V4
Input Leakage Current ILKHigh-Impedancetyp 0.03 · max 1 uA4
Charge Impedance Range RPROGPROG Inputmin 2 · max 67 k4
Minimum Shutdown Impedance RPROGPROG Inputmin 70 · max 200 k4
Die Temperature TSDThermal Shutdowntyp 150 C5
Die Temperature Hysteresis TSDHYSThermal Shutdowntyp 10 C5
UVLO Start Delay tSTARTVDD Low-to-Highmax 5 ms5
Transition Time Out of Preconditioning tDELAYVBAT < VPTH to VBAT > VPTHmax 1 ms5
Current Rise Time Out of Preconditioning tRISEIOUT Rising to 90% of IREGmax 1 ms5
Termination Comparator Filter tTERMAverage IOUT Fallingmin 0.4 · typ 1.3 · max 3.2 ms5
Charge Comparator Filter tCHARGEAverage VBATmin 0.4 · typ 1.3 · max 3.2 ms5
Status Output turn-off tOFFISINK = 1 mA to 0 mAmax 200 us5
Status Output turn-on tONISINK = 0 mA to 1 mAmax 200 us5
Specified Temperature Range TAmin -40 · max 85 °C5
Operating Temperature Range TJmin -40 · max 125 °C5
Storage Temperature Range TAmin -65 · max 150 °C5
5-Lead, SOT-23 JA4-Layer JC51-7 Standard Board, Natural Convection (Note 2)typ 230 °C/W5

Pins, by the datasheet

5
1 STAT
Charge status output; connect to an LED or use a pull-up resistor to interface to a host microcontroller. · p. 11
2 VSS
Battery management 0V reference; connect to the negative terminal of the battery and input supply. · p. 11
3 VBAT
Battery charge control output; connect to the battery positive terminal and bypass to VSS with at least 4.7 uF. · p. 11
4 VDD
Battery management input supply; bypass to VSS with at least 4.7 uF. · p. 11
5 PROG
Current regulation set and charge control enable; connect a resistor to VSS to set current or allow to float to disable charging. · p. 11

Open-source boards using it

1
  • 4 layers19.2 × 25.9 mmTracker Band V1, the printed circuit board in 3D

    Tracker Band V1

    myles-parfeniuk/SilhouetteSync

    Open source motion tracker band intended for athletics analytics.

    79 partsGPL-3.0

Parts like it

8

Questions

Is there a KiCad symbol and footprint for the MCP73832-2ACI/OT?

Yes. The symbol is dk_PMIC-Battery-Chargers:MCP73832T-2ACI_OT and the footprint Package_TO_SOT_SMD:SOT-23-5, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the MCP73832-2ACI/OT?

SOT-23-5, with 5 pins. Its footprint is drawn on this page.

Where is the MCP73832-2ACI/OT datasheet?

Microchip Technology publishes it: the Datasheet link on this page opens it.

Where can I order the MCP73832-2ACI/OT?

JLCPCB lists it as part C38066, with 10,559 in stock; the sellers' links on this page open their listings.

What can replace the MCP73832-2ACI/OT?

Parts like it in the library: the TP4054 by JSMSEMI, the TP4054-42-SOT25R by TOPPOWER, the TP4054 by UMW and the LP4054HB5F by LOWPOWER. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the MCP73832-2ACI/OT?

1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.