
Overview
The UCD3138ARJAR is a supervisor And Reset IC made by Texas Instruments in a VQFN-40-EP(6x6) package with 41 pins. -40℃~+125℃ 10us 3 3.3V~3.6V Active Low Watchdog timer、Manual reset input VQFN-40-EP(6x6) AC-DC Controllers and Regulators ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:UCD3138ARMHT, from EasyEDA) and its footprint (EasyEDA_Cloud:VQFN-40_L6.0-W6.0-P0.50-TL-EP4.2, from EasyEDA), ready for a KiCad board. 20 are in stock at JLCPCB (part C2657864).
Symbol
Footprint
Parameters
6- Function
- Watchdog timer
- Number of Voltages Monitored
- 3
- Operating Temperature
- -40℃~+125℃
- Reset Active Level
- Active Low
- Reset Timeout
- 10us
- Voltage - Supply
- 3.3V~3.6V
Order codes
1- UCD3138ARJARLCSC C2657864
Pinout
41| Pin | Name | Type |
|---|---|---|
| 1 | AGND | Unspecified |
| 2 | AD13 | Unspecified |
| 3 | AD06 | Unspecified |
| 4 | AD04 | Unspecified |
| 5 | AD03 | Unspecified |
| 6 | DGND | Unspecified |
| 7 | RESET# | Unspecified |
| 8 | ADC_EXT_TRIG/TCAP/SYNC/PWM0 | Unspecified |
| 9 | PMBUS_CLK/SCI_TX0 | Unspecified |
| 10 | PMBUS_DATA/SCI_RX0 | Unspecified |
| 11 | DPWM0A | Unspecified |
| 12 | DPWM0B | Unspecified |
| 13 | DPWM1A | Unspecified |
| 14 | DPWM1B | Unspecified |
| 15 | DPWM2A | Unspecified |
| 16 | DPWM2B | Unspecified |
| 17 | DPWM3A | Unspecified |
| 18 | DPWM3B | Unspecified |
| 19 | PMBUS_ALERT | Unspecified |
| 20 | PMBUS_CTRL | Unspecified |
| 21 | TCK/TCAP/SYNC/PWM0/DTC0 | Unspecified |
| 22 | TDO/SCI_TX0/PMBUS_ALERT/FAULT0/DTC1 | Unspecified |
| 23 | TDI/SCI_RX0/PMBUS_CTRL/FAULT1/DTC0 | Unspecified |
| 24 | TMS | Unspecified |
| 25 | FAULT2 | Unspecified |
| 26 | DGND | Unspecified |
| 27 | V33D | Unspecified |
| 28 | BP18 | Unspecified |
| 29 | AGND | Unspecified |
| 30 | AGND | Unspecified |
| 31 | EAP0 | Unspecified |
| 32 | EAN0 | Unspecified |
| 33 | EAP1 | Unspecified |
| 34 | EAN1 | Unspecified |
| 35 | EAP2 | Unspecified |
| 36 | AGND | Unspecified |
| 37 | V33A | Unspecified |
| 38 | AD00 | Unspecified |
| 39 | AD01 | Unspecified |
| 40 | AD02 | Unspecified |
| 41 | EP | Unspecified |
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Is there a KiCad symbol and footprint for the UCD3138ARJAR?
Yes. The symbol is EasyEDA_Cloud:UCD3138ARMHT and the footprint EasyEDA_Cloud:VQFN-40_L6.0-W6.0-P0.50-TL-EP4.2, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the UCD3138ARJAR?
VQFN-40-EP(6x6), with 41 pins. Its footprint is drawn on this page.
Where is the UCD3138ARJAR datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the UCD3138ARJAR?
JLCPCB lists it as part C2657864, with 20 in stock; the sellers' links on this page open their listings.
What can replace the UCD3138ARJAR?
Parts like it in the library: the UCD3138064RJAR by Texas Instruments, the UCD3138ARJAT by Texas Instruments, the UCD3138RJAR by Texas Instruments and the UCD3138ARMHT by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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