UPS for a Pi-Zero or other IoT / USB powered device.Designed by Alchemy Power Inc. in United States of America
PiZ-UpTime 2.0 provides Uninterruptable Power Supply (UPS) for a Raspberry Pi Zero, other Pi models and other USB Single Board Computers (SBC) such as Odroid, Asus etc. Power is provided via the US...Read More…
PiZ-UpTime 2.0 provides Uninterruptable Power Supply (UPS) for a Raspberry Pi Zero, other Pi models and other USB Single Board Computers (SBC) such as Odroid, Asus etc. Power is provided via the USB-out port or the 40-pin Raspberry Pi compatible header. The board has the same dimensions as a Pi Zero and can be mounted securely on a Raspberry Pi Zero using spacers for a compact, mechanically stable connection. When used with a Pi Zero 40-pin header (e.g. Pi Zero W H), UPS power is provided via the header pins. UPS power can also be provided via the micro USB Out port. A micro-USB to micro-USB cable is needed (not supplied).
An on-board 12-bit ADC monitors Vin, Vout, battery Voltage and operating Temperature (in oC and oF) providing accurate operating conditions. Temperature sensor (via an on board NTC) below the battery area provides approximate battery temperature or the operating temperature of PiZ-UpTime 2.0. Battery charging is usually safe between 0oC and 50oC. Recommend getting the operating temperature range of the battery from the manufacturer.
No GPIO connections or GPIO monitoring is needed. The on-board ADC provides information via the I2C. Up to three different I2C addresses can be selected via jumper J11-J12 to avoid conflict with other I2C devices. External connections are available for Vin, Battery and Vout via jumper studs, terminal blocks or JST connectors. The external connection points can be used for an external battery1, external Vin of 5V and 5V Vout.
Max UPS and operating current for the system is 2A. External battery can be Li-Polymer or Li-Ion connected via a terminal block. Please make sure to connect the battery with the proper polarity. Incorrectly inserting the battery will burn out the electronics.
PiZ-UpTime has been sold and used word-wide. This version is an improvement to the older version. Please download the data sheet from www.alchemypower.com/products for more details and comparision between the old version of Pi-Zero-UpTime and Pi-Zero-UpTime 2.0.
Maximum current is limited to 2A via a current limit resistor. Since the USB connector provides power for charging the battery and providing power to devices connected via Pi-UpTime-UPS 2.0, a 3.5A power supply is strongly recommended. A good quality USB cable will minimize power loss.
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