What do you do if your charger breaks
My just broke
iPad, iPadOS 16
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If your Power Adapter has broken, you simply need to purchase a replacement. Compatible Power Adapters ate readily available from Apple Stores, App Retailers and Apple's online Store.
https://www.apple.com/shop/ipad/accessories/power-cables?f=charger&fh=4588%2B45d4&page=1
Most models of iPad require a Power Adapter rated at 12W (i.e., 2.4A @5V) or greater to reliably charge. 5W Power Adapters (1.0A @5V) intended for older models of iPhone are inadequate to charge an iPad; if the iPad charges at all, charging will be very slow. Recent models of iPad are supplied with a 20W USB-C Power Adapter.
Some third-party USB-C power adapters (and portable PowerBanks) may not support USB PD (Power Delivery). Power Delivery mutually negotiates the charging voltage; the source, load and cable are all elements involved in the negotiation protocol. Unless the Power Adapter explicitly supports USB PD, it will almost certainly fail to charge the iPad; proprietary charging standards, such as QC (Quick Charge), are not supported.