IPS2 – the infamous Interruptible Power Supply is back
IPS is a 2HP opensource (cc-by-sa-nc) eurorack module. It’s a switched-mode power supply that converts the 5V power from any USB type C interface/changer into +12V/-12V for your modular synthesizer. This does not allow you to power big racks but can easily power up a fully equipped 42HP case.
You can also use the unit without frontpanel inside a case (no access to the SHUT inputs) if it has a power switch and a 5V input.
Unlike IPS1 this module is built around a monolytic ic which houses two independent regulators, the TPS6513 from TI. It still has the infamous shutdown inputs for the regulators, which are accessible thru two jacks on the frontpanel.
Quote from IPS1: “This gives you a very different approach to operate a connected module. By “proper” modulation of it’s own powersupply voltages any connected module(s) can operate then in a, let’s say: “near death state”, which can create interesting effects.
In a glimpse:
- modern and fast 1.25MHz switching regulator from Texas Instruments deliver up to 700mA@12V and 500mA@-12V
- IPS mainboard can be mounted inside a case without frontpanel like a common PSU (flatmount, has 2nd location for USB C connector and also pads for wires)
- cheap – can be used with any USB type C charger
- it’s friggin tiny
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- SHUT +12V deactivates the swiching regulator for the positive rail
- SHUT -12V deactivates the switching regulator for the negative rail
- internal 10 pin molex output header
- +12V 700mA / -12V 500mA (if incoming USB interface delivers it)
- Width: 2 HP (10mm)
- Depth: 13mm
- github IPS2 page
- the pick&place handout