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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/736956/tps23751-the-customer-use-tps23751-in-at-type2-is-it-also-can-be-backward-compatible-at-type1
你(们)好，先生
客户 PD 侧的最大功耗为10W。
他们不确定是否可以在 AF PSE？AF37V-57V 中使用、因为 AF 电压为37V-57V、在 is42V-57V 时。
客户在 AT 类型2中使用 TPS23751，它是否也可以向后兼容 AT 类型1？
令人很烦
