173:(e.g., 5 V, 3.3 V, 1.8 V, etc.) and sources of external power (e.g., wall outlet, battery, etc.), meaning that the power design of the device has multiple requirements for operation. A PMIC can refer to any chip that is an individual power related function, but generally refer to ICs that incorporate more than one function such as different power conversions and power controls such as voltage supervision and undervoltage protection. By incorporating these functions into one IC, a number of improvements to the overall design can be made such as better conversion efficiency, smaller solution size, and better heat dissipation.
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Power management ICs are solid state devices that control the flow and direction of electrical power. Many electrical devices use multiple internal
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that perform various functions related to power requirements. A PMIC may have one or more of the following functions:
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A PMIC on the inside. This is a die shot of an Apple 338S1164 PMIC manufactured by Dialog
Semiconductors.
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193:. Some models are known to feature up to 95% power conversion efficiency. Some models integrate with
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32:"Up-sequencing" and "Down-sequencing" redirect here. For unrelated but similar-sounding terms, see
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Die shot of a MxL7704 PMIC from a
Raspberry Pi 3B+, made by MaxLinear
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89:. Although PMIC refers to a wide range of chips (or modules in
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97:or their control part. A PMIC is often included in
445:(R ed.). Texas Instruments. 2018. SLVT145
220:serial bus communications interface for I/O.
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185:, and charging functions. It may include a
231:(RTC) co-operating with a backup battery.
201:(dynamic voltage and frequency scaling).
426:"Power Management | Analog Devices"
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181:A PMIC may include battery management,
254:Some of many manufacturers of PMICs:
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71:Power management integrated circuits
133:The term PMIC refers to a class of
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246:(Class-D electronic amplifier).
93:devices), most include several
50:MT6329BA in an LG mobile phone
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212:package. Some models feature
204:It may be manufactured using
405:System management controller
373:Power cycle (power supplies)
101:-operated devices (such as
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236:pulse-frequency modulation
208:process. They may come as
197:in a combination known as
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195:dynamic frequency scaling
440:"Power Management Guide"
335:Ricoh Electronic Devices
305:Monolithic Power Systems
275:Infineon Technologies AG
191:dynamic voltage scaling
165:Miscellaneous functions
240:pulse-width modulation
223:Some models feature a
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107:portable media players
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383:Power management unit
345:Samsung Semiconductor
295:Marvell Semiconductor
265:Cypress Semiconductor
225:low-dropout regulator
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310:Nordic Semiconductor
81:or PMU as unit) are
75:power management ICs
471:Integrated circuits
330:Renesas Electronics
244:switching amplifier
142:DC-to-DC conversion
135:integrated circuits
83:integrated circuits
355:STMicroelectronics
340:Rohm Semiconductor
315:NXP Semiconductors
242:(PWM). It can use
187:DC to DC converter
183:voltage regulation
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27:Computer component
399:System basis chip
378:Power electronics
360:Texas Instruments
16:(Redirected from
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320:ON Semiconductor
250:IC manufacturers
162:Power sequencing
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91:system-on-a-chip
87:power management
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447:. Retrieved
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394:Quick charge
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152:Power-source
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103:mobile phone
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64:Raspberry Pi
58:A PMIC from
38:Down-cycling
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476:Motherboard
465:Categories
449:15 January
412:References
389:Power ramp
238:(PFM) and
66:Model 3 B+
34:Up-cycling
189:to allow
154:selection
60:MaxLinear
367:See also
325:Qualcomm
300:MediaTek
285:Intersil
177:Features
171:voltages
129:Overview
48:MediaTek
350:Silergy
99:battery
206:BiCMOS
443:(PDF)
407:(SMC)
401:(SBC)
385:(PMU)
280:Intel
79:PMICs
62:in a
451:2019
290:IXYS
270:Exar
199:DVFS
85:for
36:and
18:PMIC
218:SPI
216:or
214:I²C
210:QFN
77:or
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73:(
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
