Power supply and electronic device having integrated power supply
An integrated power supply, an integrated battery charger and a portable electronic device with an integrated power supply are described.
1 . A portable electronic device, comprising:
an integrated battery charger adapted to convert alternating current (AC) power from an AC power source to a direct current (DC) power, the integrated battery charger further comprising:
an acoustic isolation transformer.
2 . A portable electronic device as recited in claim 1 , wherein the acoustic isolation transformer includes a bulk acoustic resonator.
3 . A portable electronic device as recited in claim 1 , wherein the acoustic isolation transformer includes a stack of film piezoelectric material.
4 . A portable electronic device as recited in claim 1 , wherein the portable electronic device includes one or more of a mobile telephone; a personal digital assistant (PDA); a portable computer; a portable video device; a portable music device; a portable radio transceiver; a pager; or a digital camera; or a video recorder; or a portable global positioning system (GPS) device.
5 . A portable electronic device as recited in claim 2 , wherein the acoustic transformer further comprises lead zirconium titanate (PZT) piezoelectric material, or aluminum nitride (AlN) piezoelectric material, or zinc oxide (ZnO) piezoelectric material.
6 . A portable electronic device as recited in claim 1 , further comprising an integrated electrical connector adapted to connect the integrated power supply to the AC power source.
7 . A portable electronic device as recited in claim 6 , wherein the integrated electrical connector is a prong connector adapted to connect to a wall outlet.
8 . A portable electronic device as recited in claim 6 , wherein the integrated electrical connector is adapted to connect to a complementary connector, which is connected to a prong connector adapted to connect to a wall outlet.
9 . A portable electronic device as recited in claim 1 , further comprising an integrated power supply, which comprises the integrated battery charger and a battery.
10 . A portable electronic device as recited in claim 1 , wherein the battery charger is a multi-chip module.
11 . A portable electronic device as recited in claim 9 , wherein the integrated power supply is a multichip module.
12 . An integrated power supply, comprising:
a battery;
an integrated battery charger connected to the battery and adapted to convert a source of alternating current (AC) power to a direct current (DC) power, the integrated battery charger further comprising:
an acoustic isolation transformer.
13 . An integrated power supply as recited in claim 12 , wherein the acoustic isolation transformer includes a bulk acoustic resonator.
14 . An integrated power supply as recited in claim 12 , wherein the acoustic isolation transformer includes a stack of film piezoelectric material.
15 . An integrated power supply as recited in claim 12 , further comprising a charging indicator.
16 . An integrated power supply as recited in claim 12 , further comprising an integrated electrical connector adapted to connect the integrated battery charger to the AC source.
17 . An integrated power supply as recited in claim 12 , wherein the integrated electrical connector is a prong connector adapted to connect to a wall outlet.
18 . An integrated power supply as recited in claim 12 , wherein the power supply is a multi-chip module (MCM).
19 . An integrated power supply as recited in claim 12 , wherein the acoustic transformer further comprises lead zirconium titanate (PZT) piezoelectric material, or aluminum nitride (AlN) piezoelectric material, or zinc oxide (ZnO) piezoelectric material.
20 . A multi-chip module (MCM), comprising:
a substrate; and
an integrated battery charger having components disposed in the substrate or over a surface of the substrate, or both, and adapted to convert a source of alternating current (AC) power to a direct current (DC) power, the integrated battery charger further comprising:
an acoustic isolation transformer.
21 . An MCM as recited in claim 20 , wherein the acoustic isolation transformer includes a bulk acoustic resonator.
22 . An MCM as recited in claim 20 , wherein the acoustic isolation transformer includes a stack of film piezoelectric material.
23 . An MCM as recited in claim 20 , further comprising a charging indicator.
24 . An MCM as recited in claim 20 , wherein the acoustic transformer further comprises lead zirconium titanate (PZT) piezoelectric material, or aluminum nitride (AlN) piezoelectric material, or zinc oxide (ZnO) piezoelectric material.