Tracker Band V1
myles-parfeniuk/SilhouetteSync
Open source motion tracker band intended for athletics analytics.
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
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.
| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| VDD VDD | max 7 V | 3 | |
| All Inputs and Outputs w.r.t. VSS | Maximum is (VDD+0.3)V | min -0.3 V | 3 |
| Storage temperature | min -65 · max 150 °C | 3 | |
| ESD protection on all pins: Human Body Model | 1.5 k in Series with 100 pF | min 4 kV | 3 |
| ESD protection on all pins: Machine Model | 200 pF, No Series Resistance | max 400 V | 3 |
| Supply Voltage VDD | min 3.75 · max 6 V | 3 | |
| Supply Current ISS | Charging | typ 510 · max 1500 uA | 3 |
| Supply Current ISS | Charge Complete, No Battery | typ 53 · max 200 uA | 3 |
| Supply Current ISS | PROG Floating | typ 25 · max 50 uA | 3 |
| Supply Current ISS | VDD < (VBAT - 50 mV) | typ 1 · max 5 uA | 3 |
| Supply Current ISS | VDD < VSTOP | typ 0.1 · max 2 uA | 3 |
| UVLO Start Threshold VSTART | VDD Low-to-High | min 3.3 · typ 3.45 · max 3.6 V | 3 |
| UVLO Stop Threshold VSTOP | VDD High-to-Low | min 3.2 · typ 3.38 · max 3.5 V | 3 |
| UVLO Hysteresis VHYS | typ 70 mV | 3 | |
| Regulated Output Voltage VREG | MCP7383X-2; VDD = [VREG(typical)+1V]; IOUT = 10 mA; TA = -5°C to +55°C | min 4.168 · typ 4.2 · max 4.232 V | 3 |
| Line Regulation VBAT/VBAT)/VDD| | VDD = [VREG(typical)+1V] to 6V, IOUT = 10 mA | typ 0.09 · max 0.3 %/V | 3 |
| Load Regulation VBAT/VBAT| | IOUT = 10 mA to 50 mA; VDD = [VREG(typical)+1V] | typ 0.05 · max 0.3 % | 3 |
| Supply Ripple Attenuation PSRR | IOUT=10 mA, 10Hz to 1 kHz | typ 52 dB | 3 |
| Supply Ripple Attenuation PSRR | IOUT=10 mA, 10Hz to 10 kHz | typ 47 dB | 3 |
| Supply Ripple Attenuation PSRR | IOUT=10 mA, 10Hz to 1 MHz | typ 22 dB | 3 |
| Fast Charge Current Regulation IREG | PROG = 10 k | min 90 · typ 100 · max 110 mA | 3 |
| Fast Charge Current Regulation IREG | PROG = 2.0 k; Note 1: Not production tested. Ensured by design. | min 450 · typ 505 · max 550 mA | 3 |
| Fast Charge Current Regulation IREG | PROG = 67 k; TA = -5°C to +55°C | min 12.5 · typ 14.5 · max 16.5 mA | 3 |
| Precondition Hysteresis VPHYS | VBAT High-to-Low | typ 110 mV | 4 |
| ON-Resistance RDSON | VDD = 3.75V, TJ = 105°C | typ 350 m | 4 |
| Battery Detection Current IBAT_DET | VBAT Source Current | typ 6 uA | 4 |
| No-Battery-Present Impedance ZNO_BAT | VBAT Impedance ≥ ZNO_BAT for No Battery condition; Note 1: Not production tested. Ensured by design. | min 2 M | 4 |
| Output Reverse Leakage Current IDISCHARGE | PROG Floating | typ 0.15 · max 2 uA | 4 |
| Output Reverse Leakage Current IDISCHARGE | VDD Floating | typ 0.25 · max 2 uA | 4 |
| Output Reverse Leakage Current IDISCHARGE | VDD < VSTOP | typ 0.15 · max 2 uA | 4 |
| Output Reverse Leakage Current IDISCHARGE | Charge Complete | typ -5.5 · max -15 uA | 4 |
| Sink Current ISINK | STAT | max 25 mA | 4 |
| Low Output Voltage VOL | ISINK = 4 mA | typ 0.4 · max 1 V | 4 |
| Input Leakage Current ILK | High-Impedance | typ 0.03 · max 1 uA | 4 |
| Charge Impedance Range RPROG | PROG Input | min 2 · max 67 k | 4 |
| Minimum Shutdown Impedance RPROG | PROG Input | min 70 · max 200 k | 4 |
| Die Temperature TSD | Thermal Shutdown | typ 150 C | 5 |
| Die Temperature Hysteresis TSDHYS | Thermal Shutdown | typ 10 C | 5 |
| UVLO Start Delay tSTART | VDD Low-to-High | max 5 ms | 5 |
| Transition Time Out of Preconditioning tDELAY | VBAT < VPTH to VBAT > VPTH | max 1 ms | 5 |
| Current Rise Time Out of Preconditioning tRISE | IOUT Rising to 90% of IREG | max 1 ms | 5 |
| Termination Comparator Filter tTERM | Average IOUT Falling | min 0.4 · typ 1.3 · max 3.2 ms | 5 |
| Charge Comparator Filter tCHARGE | Average VBAT | min 0.4 · typ 1.3 · max 3.2 ms | 5 |
| Status Output turn-off tOFF | ISINK = 1 mA to 0 mA | max 200 us | 5 |
| Status Output turn-on tON | ISINK = 0 mA to 1 mA | max 200 us | 5 |
| Specified Temperature Range TA | min -40 · max 85 °C | 5 | |
| Operating Temperature Range TJ | min -40 · max 125 °C | 5 | |
| Storage Temperature Range TA | min -65 · max 150 °C | 5 | |
| 5-Lead, SOT-23 JA | 4-Layer JC51-7 Standard Board, Natural Convection (Note 2) | typ 230 °C/W | 5 |
myles-parfeniuk/SilhouetteSync
Open source motion tracker band intended for athletics analytics.
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.
SOT-23-5, with 5 pins. Its footprint is drawn on this page.
Microchip Technology publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C38066, with 10,559 in stock; the sellers' links on this page open their listings.
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.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.