pinout-xyz · aqexhu · Mar 31, 2026
diff --git a/draft/boards/AQEX-qUPS-P-BC.png b/draft/boards/AQEX-qUPS-P-BC.png
diff --git a/draft/boards/AQEX-qUPS-P-SC.png b/draft/boards/AQEX-qUPS-P-SC.png
diff --git a/draft/overlay/AQEX-qUPS-P-BC.md b/draft/overlay/AQEX-qUPS-P-BC.md
@@ -0,0 +1,94 @@
+<!--
+---
+name: AQEX qUPS-P-BC
+class: board
+type: power
+formfactor: Custom
+manufacturer: AQEX
+description: The AQEX qUPS-P-BC is the reliable multi-chemistry battery-powered UPS HAT that delivers when you need more than just a quick backup. It handles a range of Li-Ion, LiFePo4, and Sodium-Ion options to ensure your Raspberry Pi project stays on for hours, not just minutes.
+url: https://www.aqex.eu/qups-p-bc-raspberry-pi-ups-hat-with-battery.html
+github: https://github.com/aqexhu/qups-guard
+buy: https://lectronz.com/products/aqex-qups-p-bc-20-multichem-ups-hat-for-the-pi
+image: 'AQEX-qUPS-P-BC.png'
+pincount: 40
+eeprom: no
+power:
+  '1':
+  '2':
+ground:
+  '6':
+  '9':
+  '14':
+  '20':
+  '25':
+  '30':
+  '34':
+  '39':
+pin:
+  '11':
+    name: Power Good - Setup#1
+    mode: input
+    active: high
+  '13':
+    name: Limit Low - Setup#1
+    mode: input
+    active: high
+  '15':
+    name: Shutdown - Setup#1
+    mode: output
+    active: high
+  '16':
+    name: Power Good - Setup#2
+    mode: input
+    active: high
+  '18':
+    name: Limit Low - Setup#2
+    mode: input
+    active: high
+  '22':
+    name: Shutdown - Setup#2
+    mode: output
+    active: high
+  '29':
+    name: Power Good - Setup#3
+    mode: input
+    active: high
+  '31':
+    name: Limit Low - Setup#3
+    mode: input
+    active: high
+  '37':
+    name: Shutdown - Setup#3
+    mode: output
+    active: high
+-->
+# AQEX qUPS-P-BC multi-chemsitry battery based UPS HAT
+
+The qUPS-P-BC is a versatile battery-powered UPS HAT for the Raspberry Pi. Unlike the supercapacitor version, this model supports various battery chemistries (Li-Ion, LiFePo4, and Sodium-Ion), making it suitable for long-term backup power (ranging from 30 minutes to several hours depending on the battery used).
+
+It features an offline topology for high efficiency and wide-range auxiliary power input (6-28V), allowing it to be powered by 12V or 24V industrial power sources.
+
+- Supports Li-Ion, LiFePo4, and Sodium-Ion batteries
+- 5V/3.5A Maximum load current
+- Wide Aux Input: 6V - 28V
+- USB PD (RPi5) compatible
+- NTC connector for battery thermal protection
+- Hardware-based "Zero Firmware" logic
+
+## Power
+- 5V via USB-C
+- 6V - 28V via Auxiliary input
+- 5V via GPIO header (powers the Pi)
+
+## Features
+- - Charging current: 2A
+- Reverse polarity protection for battery and auxiliary input
+- 4-LED battery level indicator
+- Manual Mode Switch: AUTO / ON / OFF
+- Adjustable energy threshold and input voltage threshold
+
+## Notes
+- **Power Good**: High when external power is present.
+- **Limit Low**: Signals when battery energy is dropping below the threshold.
+- **Shutdown**: Used to signal the Pi to initiate a graceful shutdown.
+- **Battery Type**: Must be configured correctly via DIP switches to match the chemistry (Li-Ion vs LiFePo4 vs Sodium-Ion) to ensure safe charging voltages.
diff --git a/draft/overlay/AQEX-qUPS-P-SC.md b/draft/overlay/AQEX-qUPS-P-SC.md
@@ -0,0 +1,92 @@
+<!--
+---
+name: AQEX qUPS-P-SC
+class: board
+type: power
+formfactor: Custom
+manufacturer: AQEX
+description: The qUPS-P-SC is a supercapacitor-based UPS HAT for the Raspberry Pi designed for durability and harsh environments. It features a 100-120F supercapacitor providing approximately 30 seconds of backup time for a Raspberry Pi 4 under max load, allowing for a graceful shutdown during power outages.
+url: https://www.aqex.eu/qups-p-sc-raspberry-pi-ups-hat-with-supercapacitor.html
+github: https://github.com/aqexhu/qups-guard
+buy: https://lectronz.com/products/aqex-qups-p-sc-13-supercap-ups-hat-raspberry-pi
+image: 'AQEX-qUPS-P-SC.png'
+pincount: 40
+eeprom: no
+power:
+  '1':
+  '2':
+ground:
+  '6':
+  '9':
+  '14':
+  '20':
+  '25':
+  '30':
+  '34':
+  '39':
+pin:
+  '11':
+    name: Power Good - Setup#1
+    mode: input
+    active: high
+  '13':
+    name: Limit Low - Setup#1
+    mode: input
+    active: high
+  '15':
+    name: Shutdown - Setup#1
+    mode: output
+    active: high
+  '16':
+    name: Power Good - Setup#2
+    mode: input
+    active: high
+  '18':
+    name: Limit Low - Setup#2
+    mode: input
+    active: high
+  '22':
+    name: Shutdown - Setup#2
+    mode: output
+    active: high
+  '29':
+    name: Power Good - Setup#3
+    mode: input
+    active: high
+  '31':
+    name: Limit Low - Setup#3
+    mode: input
+    active: high
+  '37':
+    name: Shutdown - Setup#3
+    mode: output
+    active: high
+-->
+# AQEX qUPS-P-SC Supercapacitor based UPS HAT
+
+The qUPS-P-SC is a supercapacitor-based UPS HAT for the Raspberry Pi designed for durability and harsh environments. It features a 100-120F supercapacitor providing approximately 30 seconds of backup time for a Raspberry Pi 4 under max load, allowing for a graceful shutdown during power outages.
+
+The board uses 3 GPIO pins for communication, with three selectable hardware configurations via DIP switches to avoid conflicts with other HATs.
+
+- 100-120F Supercapacitor (500,000+ charge cycles)
+- 5V/2.5A Output
+- Offline topology for high efficiency
+- USB-C and Auxiliary 5V power inputs
+- Stackable 40-pin header
+- Hardware-based "Zero Firmware" logic
+
+## Power
+- 5V via USB-C or Auxiliary 5V input
+- 5V via GPIO header (powers the Pi)
+
+## Features
+- Adjustable energy threshold for safe boot
+- Adjustable input voltage threshold
+- 3-LED supercapacitor level indicator
+- Manual Mode Switch: AUTO / ON / OFF
+
+## Notes
+- **Power Good**: High when external power is present.
+- **Limit Low**: Signals when supercapacitor energy is dropping below the threshold.
+- **Shutdown**: Used to signal the Pi to initiate a graceful shutdown.
+- All GPIO communication can be disabled by setting DIP switches to OFF-OFF.