Function Description
T208 Jetson nano UPS HAT 5V 8A
T208 Jetson nano UPS HAT 5V 8A
Power Jack and Connectors
| Power input |
5Vdc +/- 5% ,≥4A
|
| DC Power Plug Size |
5.5*2.5mm
|
| Power input connector |
XH2.54mm 2pin
|
| UPS power output |
5.1Vdc 8A
|
| Power output connector |
XH2.54mm 2pin
|
- T208 powers the Jetson Nano via the 40-pin header (Pin 2 & 4)
- Don't power the Jetson Nano via the Micro USB socket & DC jack
- T208 can be powered via the onboard DC jack or XH2.54 power input connector.
| Jumper Name |
Usage
|
| PLD
(Power loss detection)"
|
Short - AC Power loss or power adapter failure detection enabled
(Active if power adapter disconnected)
Open - Power loss detection disabled
|
| AON
(Auto power-on)
|
Short - Auto power-on when power applied
(Will delay 3 seconds before powering on)
Open - Auto power-on disabled
|
Connector for External Power Switch
| Pin No. |
Pin Description
|
| 1 |
Power on/off control connecting to switch
|
| 2 |
Ground
|
| 3 |
Ground
|
| 4 |
LED+ for power on /off
|
- Please use momentary switch only and don't use latching switch
- Connector - Pitch 2.0mm 4pos
Power button & control
| Press and Release |
Jetson Nano and T208 turn on
|
| Auto power off |
System shutdown using the GUI
|
| Press and hold for at least 3 seconds |
Force shutdown
|
Function LEDs
| LED Name |
Usage
|
| AC FAIL |
LED red on indicates AC power loss or PSU failure or PSU disconnected
|
|
|
| PWR |
LED blue indicates
Stays on - Power on
Stays off - 5V power output off
|
Pins and GPIO used
| Pin No. |
Usage
|
| 2, 4 |
+5V power supply
|
| 3, 5 |
I2C for RTC and battery fuel-gauge systems
|
| 6, 9 |
Ground
|
| 7 |
GPIO6 for AC power loss detection (Jumper for PLD inserted, High=power loss,Low=Power supply normal)
|
Fuel gauge - LED Indicator
Operation of Discharging:
| Capacity C (%) |
D1 |
D2 |
D3 |
D4
|
| C ≥75% |
ON |
ON |
ON |
ON
|
| 50%≤C＜75% |
ON |
ON |
ON |
OFF
|
| 25%≤C＜50% |
ON |
ON |
OFF |
OFF
|
| 3%≤C＜25% |
ON |
OFF |
OFF |
OFF
|
| 0%＜C＜3% |
Flashing |
OFF |
OFF |
OFF
|
Operation of charging:
| Capacity C (%) |
D1 |
D2 |
D3 |
D4
|
| Fully charged |
ON |
ON |
ON |
ON
|
| 75%≤C |
ON |
ON |
ON |
Flashing
|
| 50%≤C＜75% |
ON |
ON |
Flashing |
OFF
|
| 25%≤C＜50% |
ON |
Flashing |
OFF |
OFF
|
| C＜25% |
Flashing |
OFF |
OFF |
OFF
|
18650 battery dimension
Do not use 18650 battery with built-in protection circuit
Do not use 18650 battery with built-in protection circuit
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