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T208
,{{GD Template Impl}}
[[File:IMG-8815.jpg|thumb|right|T208 Jetson nano UPS HAT 5V 8A]]
[[File:T208-IMG-8595.jpg|thumb|right|T208 Jetson nano UPS HAT 5V 8A]]
[[File:T208-Interface.jpg|thumb|right|T208 V2.0 Jetson nano UPS HAT 5V 8A]]
[[File:T208-function1.png|thumb|right|T208 V1.1 / V1.2 Jetson nano UPS HAT 5V 8A]]
[[File:T208-function3.png|thumb|right|T208 V1.1 / V1.2 Jetson nano UPS HAT 5V 8A]]
[[File:T208-IMG-8583.jpg|thumb|right|T208 V2.0 Packing List]]
[[File:T208-IMG-8583-PackingList.jpg|thumb|right|T208 Packing List]]
[[File:T208-Pin schematic picture.jpg|thumb|right|T208-Pin schematic picture.jpg]]
[[File:T208-PCB.png|thumb|right|T208 PCB Size]]
==Overview==
T208 is the upgrade version of T200, supports upto 6-cell 18650 battery, can provide enough power supply for your outdoor scientific research. We no longer use cable connections and use new and more reliable GPIO connections.
The T208 is an advanced uninterruptible power supply (UPS) expansion board specially designed for NVIDIA Jetson Nano Developer Kit. It provides Max 5.1V 8000mA Power Backup for even the most demanding Jetson Nano set ups, intelligent & safe power management, AC power loss/ power adapter failure detection, auto power-on, full poweroff from software, advanced system power path management, i2c & LED fuel-gauge systems, and with 6-cell 18650 battery holder.
==Update History==
===T208 V2.0===
'''On July 15th 2022, T208 is updated to T208 V2.0:'''
* Improved power-path management avoids batteries discharging when power adapter connected
* Improved Auto power-on reliability
* Adds jumper selection ('''FON'''， Force ON) to disable auto power-off when Jetson Nano is not detected (see note1)
* Removed jumper secleciton for '''PLD''' (Power loss detection), '''PLD''' is always enabled
* Adds battery Reverse polarity protection circuit & LED indiciators
Note1: If '''FON''' is enabled (jumper inserted), T208 cannot turn off automatically when Jetson Nano is turned off
===T208 V1.2===
'''On Augest 10th 2021, T208 V1.2 is updated to added input surge protection circuit.'''
==SAFETY INSTRUCTIONS AND WARNINGS==
* <span style="color:red;">You must read these safety instructions and warnings before charging your batteries.
* <span style="color:red;">Lithium Polymer and Li-ion batteries are volatile. Failure to read and follow the below instructions may result in fire, personal injury and damage to property if charged or used improperly.
* <span style="color:red;">Never make wrong polarity connection when charging and discharging battery packs. Always double check polarity of battery's connector to make sure "+" to "+" and "-" to "-".
* <span style="color:red;">Do not mix and use old batteries and new batteries, or batteries with different brand names.
* <span style="color:red;">Lithium batteries has it's cycle life, please replace old battery with new one when it reaches it's service life or when it is two year old, whichever comes first.
* <span style="color:red;">When charging Battery Pack, please put battery in a fire proof container. Please don't leave the T208 on the wood material or carpet and unattended.
* <span style="color:red;">Must keep the T208 away from children.
*Please watch Main Video and Tutorial Video regarding 18650 batteries at: https://www.staysafebattery.com/en/
==Features==
{| class="wikitable"
|-
|-
| FOR USE WITH || Jetson Nano
|-
| OPERATING SYSTEM || All operating systems
|-
| KEY FEATURES ||
'''Smart and powerful Uninterruptible Power Supply (UPS)'''
* Provides continuous operations for up to 10~30hours (depending on battery type and qty used)
* Max 5.1V 8000mA Power Backup for even the most demanding Jetson Nano set ups
* 6-cell 18650 lithium Ion holder
* Can work with 1/2/3/4/5/6 18650 lithium Ion batteries
* Supports 3A fast battery charging
* Integrated battery protection circuit
* Integrated over current protection and over voltage protection
* Integrated Maxim's fuel-gauge systems (Reading battery voltage and percentage via i2c)
* Integrated TI's 10-A fully-integrated synchronous boost converter
* Intelligent automatic charging and discharging
* On-board 4 green LEDs indicate battery charging and discharging levels of 25%, 50% , 75% and 100%
* On-board blue LED show the status of power on/off(blue LED for T208 V1.2 and previous version, green LED for T208 V2.0)
'''Intelligent and safe power management'''
* On-board push button to control power on /off - Press-ON, Hold the button pressed at least 3s -OFF)
* AC power loss or power adapter failure detection (LED and GPIO indication)
* Automatic powering off after system shutdown using the GUI
* Optional to enable Auto power on when power applied or restored (please enable the AUTO ON on jetson nano board if you want to use the AUTO ON of T208)
* Ultra-low standby power consumption of μA to maximize battery life
* Integrated IN-to-SYS pass-through path to pass the input voltage to the system
* Operate in both charge mode and boost mode to allow full system management and battery power management
* Advanced system power path management avoids frequent charging and extend battery life
* Advanced system power path management allows 3A fast charging and powering Jetson Nano at the same time
* Powers the Jetson Nano via the 40-pin header - no additional cabling required
* Power input jack (5.5*2.5mm) and XH2.54 connector convenient for power input
* On-board PH2.0 connector allows to connect external power switch and DIY your perfect case
* On-board XH2.54 power output connectors allow to power other devices
* Mounting holes and standoffs provide mechanical stability of the Jetson Nano and T208 assembly
|-
| SPECIFICATIONS ||
* Power input : 5Vdc ±5%, ≥4A
* UPS output : 5.1V ±5% Max 8A
* UPS charging current: 3A via DC jack
* Terminal Battery Voltage : 4.24V
* Recharge Threshold : 4.1V
|-
| NOTES ||
* Do not apply power to your Jetson Nano via the Micro USB socket or power jack.
* '''Do not use 18650 battery with built-in protection circuit'''
|-
|}
==Packing List==
* 1 x T208 18650 UPS&Power management Board
* 1 x Power & GPIO daughter board
* 1 x Jumper link Pitch 2.54mm
* 2 x Spacer M/F M2.5x12+6 mm
* 4 x Spacer F/F M2.5x22 mm
* 4 x Spacer M/F M2.5x23+6 mm
* 8 x Screw M2.5 x 6mm
==User Manual==
[[T208-Software]]
[[T208-hardware]]
==FAQ==
'''Q1: Can I turn ON and use a jetson nano power by the T208 while the T208 is charging?'''
A: Yes, OK, the T208 is support charging while discharing.
'''Q2: Is there any possibility to change the I2C address of the T208 ?'''
A: Sorry, no, not support to change the I2C address of the T208.
'''Q3: What battery is recommended for X708?'''
A:
* Pls use high quality batteries from PANPASONIC, Toshiba, etc.
* Lithium battery need to meet following 2 conditions: 1. Working voltage: 3.6V-3.7V; 2. Maximum voltage after full: 4.2V
* Do not use the battery with built-in protection circuit
[[File:18650_battery_size-2.jpg|400px]]
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[[Category:Product Manual]]
[[Category:Jetson Nano]]
[[File:IMG-8815.jpg|thumb|right|T208 Jetson nano UPS HAT 5V 8A]]
[[File:T208-IMG-8595.jpg|thumb|right|T208 Jetson nano UPS HAT 5V 8A]]
[[File:T208-Interface.jpg|thumb|right|T208 V2.0 Jetson nano UPS HAT 5V 8A]]
[[File:T208-function1.png|thumb|right|T208 V1.1 / V1.2 Jetson nano UPS HAT 5V 8A]]
[[File:T208-function3.png|thumb|right|T208 V1.1 / V1.2 Jetson nano UPS HAT 5V 8A]]
[[File:T208-IMG-8583.jpg|thumb|right|T208 V2.0 Packing List]]
[[File:T208-IMG-8583-PackingList.jpg|thumb|right|T208 Packing List]]
[[File:T208-Pin schematic picture.jpg|thumb|right|T208-Pin schematic picture.jpg]]
[[File:T208-PCB.png|thumb|right|T208 PCB Size]]
==Overview==
T208 is the upgrade version of T200, supports upto 6-cell 18650 battery, can provide enough power supply for your outdoor scientific research. We no longer use cable connections and use new and more reliable GPIO connections.
The T208 is an advanced uninterruptible power supply (UPS) expansion board specially designed for NVIDIA Jetson Nano Developer Kit. It provides Max 5.1V 8000mA Power Backup for even the most demanding Jetson Nano set ups, intelligent & safe power management, AC power loss/ power adapter failure detection, auto power-on, full poweroff from software, advanced system power path management, i2c & LED fuel-gauge systems, and with 6-cell 18650 battery holder.
==Update History==
===T208 V2.0===
'''On July 15th 2022, T208 is updated to T208 V2.0:'''
* Improved power-path management avoids batteries discharging when power adapter connected
* Improved Auto power-on reliability
* Adds jumper selection ('''FON'''， Force ON) to disable auto power-off when Jetson Nano is not detected (see note1)
* Removed jumper secleciton for '''PLD''' (Power loss detection), '''PLD''' is always enabled
* Adds battery Reverse polarity protection circuit & LED indiciators
Note1: If '''FON''' is enabled (jumper inserted), T208 cannot turn off automatically when Jetson Nano is turned off
===T208 V1.2===
'''On Augest 10th 2021, T208 V1.2 is updated to added input surge protection circuit.'''
==SAFETY INSTRUCTIONS AND WARNINGS==
* <span style="color:red;">You must read these safety instructions and warnings before charging your batteries.
* <span style="color:red;">Lithium Polymer and Li-ion batteries are volatile. Failure to read and follow the below instructions may result in fire, personal injury and damage to property if charged or used improperly.
* <span style="color:red;">Never make wrong polarity connection when charging and discharging battery packs. Always double check polarity of battery's connector to make sure "+" to "+" and "-" to "-".
* <span style="color:red;">Do not mix and use old batteries and new batteries, or batteries with different brand names.
* <span style="color:red;">Lithium batteries has it's cycle life, please replace old battery with new one when it reaches it's service life or when it is two year old, whichever comes first.
* <span style="color:red;">When charging Battery Pack, please put battery in a fire proof container. Please don't leave the T208 on the wood material or carpet and unattended.
* <span style="color:red;">Must keep the T208 away from children.
*Please watch Main Video and Tutorial Video regarding 18650 batteries at: https://www.staysafebattery.com/en/
==Features==
{| class="wikitable"
|-
|-
| FOR USE WITH || Jetson Nano
|-
| OPERATING SYSTEM || All operating systems
|-
| KEY FEATURES ||
'''Smart and powerful Uninterruptible Power Supply (UPS)'''
* Provides continuous operations for up to 10~30hours (depending on battery type and qty used)
* Max 5.1V 8000mA Power Backup for even the most demanding Jetson Nano set ups
* 6-cell 18650 lithium Ion holder
* Can work with 1/2/3/4/5/6 18650 lithium Ion batteries
* Supports 3A fast battery charging
* Integrated battery protection circuit
* Integrated over current protection and over voltage protection
* Integrated Maxim's fuel-gauge systems (Reading battery voltage and percentage via i2c)
* Integrated TI's 10-A fully-integrated synchronous boost converter
* Intelligent automatic charging and discharging
* On-board 4 green LEDs indicate battery charging and discharging levels of 25%, 50% , 75% and 100%
* On-board blue LED show the status of power on/off(blue LED for T208 V1.2 and previous version, green LED for T208 V2.0)
'''Intelligent and safe power management'''
* On-board push button to control power on /off - Press-ON, Hold the button pressed at least 3s -OFF)
* AC power loss or power adapter failure detection (LED and GPIO indication)
* Automatic powering off after system shutdown using the GUI
* Optional to enable Auto power on when power applied or restored (please enable the AUTO ON on jetson nano board if you want to use the AUTO ON of T208)
* Ultra-low standby power consumption of μA to maximize battery life
* Integrated IN-to-SYS pass-through path to pass the input voltage to the system
* Operate in both charge mode and boost mode to allow full system management and battery power management
* Advanced system power path management avoids frequent charging and extend battery life
* Advanced system power path management allows 3A fast charging and powering Jetson Nano at the same time
* Powers the Jetson Nano via the 40-pin header - no additional cabling required
* Power input jack (5.5*2.5mm) and XH2.54 connector convenient for power input
* On-board PH2.0 connector allows to connect external power switch and DIY your perfect case
* On-board XH2.54 power output connectors allow to power other devices
* Mounting holes and standoffs provide mechanical stability of the Jetson Nano and T208 assembly
|-
| SPECIFICATIONS ||
* Power input : 5Vdc ±5%, ≥4A
* UPS output : 5.1V ±5% Max 8A
* UPS charging current: 3A via DC jack
* Terminal Battery Voltage : 4.24V
* Recharge Threshold : 4.1V
|-
| NOTES ||
* Do not apply power to your Jetson Nano via the Micro USB socket or power jack.
* '''Do not use 18650 battery with built-in protection circuit'''
|-
|}
==Packing List==
* 1 x T208 18650 UPS&Power management Board
* 1 x Power & GPIO daughter board
* 1 x Jumper link Pitch 2.54mm
* 2 x Spacer M/F M2.5x12+6 mm
* 4 x Spacer F/F M2.5x22 mm
* 4 x Spacer M/F M2.5x23+6 mm
* 8 x Screw M2.5 x 6mm
==User Manual==
[[T208-Software]]
[[T208-hardware]]
==FAQ==
'''Q1: Can I turn ON and use a jetson nano power by the T208 while the T208 is charging?'''
A: Yes, OK, the T208 is support charging while discharing.
'''Q2: Is there any possibility to change the I2C address of the T208 ?'''
A: Sorry, no, not support to change the I2C address of the T208.
'''Q3: What battery is recommended for X708?'''
A:
* Pls use high quality batteries from PANPASONIC, Toshiba, etc.
* Lithium battery need to meet following 2 conditions: 1. Working voltage: 3.6V-3.7V; 2. Maximum voltage after full: 4.2V
* Do not use the battery with built-in protection circuit
[[File:18650_battery_size-2.jpg|400px]]
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<comments />
<!--Please choose the -->
<!--Remove other categories, just keep the appropriate categories -->
[[Category:Product Manual]]
[[Category:Jetson Nano]]