PI-Zero-UpTime 2.0: A UPS for Pi-Zero and other Raspberry Pi / SBC IoT

$48.0 Buy It Now or Best Offer
free,30-Day Returns

Seller Store alchemypower
(89) 100.0%,

Location: Los Altos, California
Ships to: US,
Item: 193049264475

All returns accepted:ReturnsNotAccepted
Alchemy Power Inc.:Alchemy Power Inc.
Form Factor:65x30x12 mm
Custom Bundle:No
PiZ-UpTime 2.0:PiZ-UpTime 2.0
MPN:PiZ-UpTime 2.0
Country/Region of Manufacture:China
Modified Item:No

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 included). 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 battery, 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. Key Features Provides UPS using one rechargeable Lithium-Ion or Lithium Polymer battery connected via terminal blocks. Batteries are not included. o Space on board for specific Li-Polymer batteries, indicated on the board. o Can be glued on to the surface with dual sided heat conductive, electrically insulated tape. Stable 5V output, eliminates pesky “bolt” on Raspbian. Max 2A out, enough for most uses. Connection for on/off switch. Use a 2.54mm header cable (e.g. Amazon Product ID B07FXXDN2M) to connect a switch inline. Please ensure the on-off switch can support 2A or more. Includes Battery management system (BMS). Charges the battery when power is available. o Ensures battery remains charged over time. o Ensures fully discharged batteries are handled properly. o CCCV battery charging. o LED indicates when battery is charging. When Battery is fully charged, LED is off. · On board ADC allows Battery V monitoring via I2C. Sample Python code is provided and can be downloaded for use. The sample code can be modified to adapt to the battery V level for your needs. Input V level monitoring also provides accurate V monitoring for Input Voltage, brown outs and power failure. Output Voltage and temperature can also be monitored via the ADC. · System shuts down when batteries fall below 3.1V (reconfigurable in software), protecting the batteries.· Power reset is done by pulling out the Power on/off shunt on Jumper J3 and inserting it back in again. An on-off switch can be used instead of the shunt via a 2.54mm cable header as described earlier.· Using M2.5 x 11mm spacers, PiZ-UpTime 2.0 can mount securely on a Raspberry Pi Zero. Spacers are not included. · Maximum battery charge current is limited to 0.5A, a safe charging limit for Li-Polymer batteries. Battery charge time will vary based on battery capacity and battery charge level.· Several safety features are built in. o Includes Battery Management System (BMS) which uses CCCV charging and maintains the charge level for Li-Polymer or Li-Ion batteries. o An initial slow charge for depleted batteries is provided to allow batteries heavily drained to recover gracefully.· UPS out – regulated 5 V, 2 Amps for overall UPS system. Please make sure the battery can sustain at least 2.1 Amps or more as its output or discharge current. · Sample Python code to monitor system is available. Download from Alchemy Power (dot com) web site, under downloads. Recommended installation steps1. Remove Jumper J3 to turn off all power to the Pi and external power sources (USB-out, 3.3V).a. Insert an on/off switch if desired at Jumper J3. Ensure the switch is in the off position.2. Connect the battery to the terminal block (J2) labelled Battery. Make sure you follow the proper polarity. Improper battery insertion can damage the electronics. 3. Mount the PiZ-UpTime 2.0 board on the Pi. Recommend using 11mm spacers to mechanically secure the unit.4. Plug in the USB power to USB-In port on Pi-UpTime UPS 2.0. The yellow/amber LED may come on, indicating the power is on and the battery is charging. 5. Finally, when ready, insert the shunt on Jumper J3. Alternately, turn the on/off switch to on. The Pi should be booting up once power is applied. PiZ-UpTime (old version) vs PiZ-UpTime 2.0This table compares the older version of PiZ-UpTime with the current version of PiZ-UpTime 2.0 PiZ-UpTime PiZ-UpTime 2.0 Charge Current Max 1.0 A Max 0.5A – safer Battery Chemistry (battery not supplied) 14500 Li-Ion only Li-Ion or Li-Polymer – attached via terminal block Battery Holder On top, 14500 size None, attach via Terminal Block(s) Access to Vin, Vout, Battery No Yes, via terminal blocks, and in software Input V Max 5.5V, via micro USB only Max 5.5V, via micro-USB (in) OR via terminal blocks (not included) Output V 4.6V to 5.1V Regulated 5V out (±2%), irrespective of input V. No irritating “bolts” on Raspbian Max Current 1A 2A On/Off Switch None. Only power reset switch is provided Can attach an external on/off switch for manual on/off. Power reset by pulling shunt out/in UPS USB Out Yes, via micro-USB Yes, via micro-USB OR via terminal blocks GPIO used Yes None – internal ADC is used Vin, Vout, Battery and temperature info None Available via on-board 4 channel 12-bit ADC, accurate to 3mV (Temp ±2oC) Python code for shutdown Yes, depends on GPIO indicators Yes. Python code provides Vin, Vout, board temperature and Battery level. Can be modified for different use cases External Battery No, only via the AA battery holder on board Only external battery can be attached. Space on board for Li-Polymer batteries Battery size Usually 400-600 mAh (14500 battery capacity) Can be any capacity. Higher capacity takes longer to charge & provides longer run time on UPS LED’s Many One – when battery is being charged. LED is off when battery is fully charged Power in Via micro-USB Via micro-USB UPS Power out Via micro USB Via micro USB, Terminal Blocks Other Many units in use worldwide. Uses built in ideal diode, limits max current to 1.2A. Uses Ideal diode OR – very little heat or power loss –efficient operation and seamless transition to battery backup for UPS Shutdown Trigger point Hardware – cannot be modified Can be modified in software. Battery V level when shutdown is triggered can be changed Battery management / charging Built on board, uses CCCV charging Built on board, uses CCCV charging Board Color Green with white text Black with white text UPC code 691852747184 708088352577 Planned use / future Legacy. Not recommended for new designs Recommended for new designs Models supported Pi-Zero family Pi-Zero family, Model 3B and below. Models 3B+ and Model 4 may stress the unit. Models 3B+ and Model 4 will also require a higher mAh battery to sustain the current needed during shutdown / reboot. Please check Alchemy Power Inc. web site for data sheets, downloadable Python code and additional information.

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PI-Zero-UpTime 2.0: A UPS for Pi-Zero and other Raspberry Pi / SBC IoT

Frequently Asked Questions About PI-Zero-UpTime 2.0: A UPS for Pi-Zero and other Raspberry Pi / SBC IoT in My Website

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