BALL Other Function uPs,uCs & Peripheral ICs 2,400+

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Part RoHS Manufacturer Peripheral IC Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Package Body Material Integrated Cache Surface Mount Information Access Method Maximum Supply Voltage On Chip Data RAM Width Screening Level Address Bus Width No. of Bits DAC Channels Bit Size Power Supplies (V) Package Style (Meter) Package Equivalence Code Interrupt Capability Minimum Supply Voltage Maximum Operating Temperature CPU Family No. of External Interrupts Minimum Operating Temperature Terminal Finish ADC Channels Ultraviolet Erasable Terminal Position DMA Channels No. of Ports Maximum Seated Height ROM Words RAM Words Width Data EEPROM Size Additional Features Boundary Scan Peripherals External Data Bus Width Maximum Clock Frequency Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Length Total Dose (V) ROM Bits Size No. of Timers RAM Bytes Technology Analog To Digital Convertors Maximum Supply Current Minimum Time Nominal Supply Voltage No. of DMA Channels PWM Channels No. of Serial I/Os Sub-Category Connectivity ROM Programmability Bus Compatibility Terminal Pitch Format JESD-30 Code Moisture Sensitivity Level (MSL) Qualification Speed Low Power Mode Volatile JESD-609 Code Maximum Standby Current On Chip Program ROM Width No. of I/O Lines Maximum Access Time

XCZU4EV-1FBVB900I

Xilinx

MICROPROCESSOR CIRCUIT

INDUSTRIAL

BALL

900

BGA

RECTANGULAR

PLASTIC/EPOXY

YES

.876 V

GRID ARRAY

.825 V

100 Cel

-40 Cel

Tin/Silver/Copper (Sn96.5Ag3.0Cu0.5)

BOTTOM

30

245

CMOS

.85 V

R-PBGA-B900

4

e1

XCZU7EV-2FFVF1517E

Xilinx

MICROPROCESSOR CIRCUIT

OTHER

BALL

1517

BGA

RECTANGULAR

PLASTIC/EPOXY

YES

.876 V

GRID ARRAY

.825 V

100 Cel

0 Cel

Tin/Silver/Copper (Sn/Ag/Cu)

BOTTOM

3.51 mm

40 mm

30

245

40 mm

CMOS

.85 V

1 mm

R-PBGA-B1517

4

e1

XCZU7EV-1FFVC1156E

Xilinx

MICROPROCESSOR CIRCUIT

OTHER

BALL

1156

BGA

RECTANGULAR

PLASTIC/EPOXY

YES

.876 V

GRID ARRAY

.825 V

100 Cel

0 Cel

Tin/Silver/Copper (Sn/Ag/Cu)

BOTTOM

30

245

CMOS

.85 V

R-PBGA-B1156

4

e1

XCZU4EV-L1SFVC784I

Xilinx

MICROPROCESSOR CIRCUIT

INDUSTRIAL

BALL

784

BGA

RECTANGULAR

PLASTIC/EPOXY

YES

.742 V

GRID ARRAY

.698 V

100 Cel

-40 Cel

Tin/Silver/Copper (Sn96.5Ag3.0Cu0.5)

BOTTOM

ALSO AVAILABLE WITH 0.85V NOMINAL SUPPLY

30

250

CMOS

.72 V

R-PBGA-B784

4

e1

OMAPL138EZWTD4

Texas Instruments

MICROPROCESSOR CIRCUIT

INDUSTRIAL

BALL

361

LFBGA

SQUARE

PLASTIC/EPOXY

YES

1.35 V

GRID ARRAY, LOW PROFILE, FINE PITCH

1.25 V

90 Cel

-40 Cel

TIN SILVER COPPER

BOTTOM

1.4 mm

16 mm

IT ALSO OPERATES IN 0.95V MINIMUM SUPPLY

32

50 MHz

30

260

16 mm

CMOS

1.3 V

I2C; SPI; UART; USB

.8 mm

S-PBGA-B361

3

456 rpm

e1

XC7Z014S-2CLG400I

Xilinx

SYSTEM ON CHIP

BALL

400

LFBGA

SQUARE

PLASTIC/EPOXY

YES

1.05 V

GRID ARRAY, LOW PROFILE, FINE PITCH

BGA400,20X20,32

.95 V

100 Cel

-40 Cel

BOTTOM

1.6 mm

17 mm

17 mm

CMOS

1 V

.8 mm

S-PBGA-B400

XCZU7EV-2FFVC1156E

Xilinx

MICROPROCESSOR CIRCUIT

OTHER

BALL

1156

BGA

RECTANGULAR

PLASTIC/EPOXY

YES

.876 V

GRID ARRAY

.825 V

100 Cel

0 Cel

Tin/Silver/Copper (Sn/Ag/Cu)

BOTTOM

3.51 mm

35 mm

30

245

35 mm

CMOS

.85 V

1 mm

R-PBGA-B1156

4

e1

MCIMX283CVM4B

NXP Semiconductors

SYSTEM ON CHIP

INDUSTRIAL

BALL

289

LFBGA

SQUARE

PLASTIC/EPOXY

YES

1.55 V

GRID ARRAY, LOW PROFILE, FINE PITCH

BGA289,17X17,32

1.35 V

85 Cel

-40 Cel

TIN SILVER COPPER

BOTTOM

1.37 mm

14 mm

IT HAS ANALOG CORE SUPPLY VOLTAGE OF 1.62 TO 2.1 V

40

260

14 mm

CMOS

1.45 V

.8 mm

S-PBGA-B289

3

Not Qualified

e1

XC7Z030-1FBG484I

Xilinx

SYSTEM ON CHIP

BALL

484

BGA

SQUARE

PLASTIC/EPOXY

YES

1.05 V

GRID ARRAY

BGA484,22X22,40

.95 V

100 Cel

-40 Cel

BOTTOM

2.54 mm

23 mm

23 mm

CMOS

1 V

1 mm

S-PBGA-B484

XCZU4CG-1SFVC784E

Xilinx

MICROPROCESSOR CIRCUIT

OTHER

BALL

784

BGA

SQUARE

PLASTIC/EPOXY

YES

GRID ARRAY

100 Cel

0 Cel

Tin/Silver/Copper (Sn96.5Ag3.0Cu0.5)

BOTTOM

30

250

CMOS

.85 V

S-PBGA-B784

4

e1

XCZU7EV-2FFVF1517I

Xilinx

MICROPROCESSOR CIRCUIT

INDUSTRIAL

BALL

1517

BGA

RECTANGULAR

PLASTIC/EPOXY

YES

.876 V

GRID ARRAY

.825 V

100 Cel

-40 Cel

Tin/Silver/Copper (Sn/Ag/Cu)

BOTTOM

30

245

CMOS

.85 V

R-PBGA-B1517

4

e1

AM5716AABCXEA

Texas Instruments

SYSTEM ON CHIP

INDUSTRIAL

BALL

760

FBGA

SQUARE

PLASTIC/EPOXY

YES

1.2 V

GRID ARRAY, FINE PITCH

BGA760,28X28,31

1.11 V

105 Cel

-40 Cel

TIN SILVER COPPER

BOTTOM

2.96 mm

23 mm

30

250

23 mm

CMOS

1.15 V

.8 mm

S-PBGA-B760

3

e1

MCIMX6Y2DVM05AA

NXP Semiconductors

SoC

OTHER

BALL

289

LFBGA

SQUARE

PLASTIC/EPOXY

YES

1.5 V

GRID ARRAY, LOW PROFILE, FINE PITCH

BGA289,17X17,32

1.275 V

95 Cel

0 Cel

BOTTOM

1.32 mm

14 mm

40

260

14 mm

CMOS

.8 mm

S-PBGA-B289

3

MCIMX6Q6AVT10ACR

NXP Semiconductors

SYSTEM ON CHIP

AUTOMOTIVE

BALL

624

FBGA

SQUARE

PLASTIC/EPOXY

YES

1.5 V

GRID ARRAY, FINE PITCH

BGA624,25X25,32

1.35 V

125 Cel

-40 Cel

TIN SILVER COPPER

BOTTOM

2.16 mm

21 mm

40

260

21 mm

CMOS

.8 mm

S-PBGA-B624

3

e1

XC7Z030-2FBG676E

Xilinx

SYSTEM ON CHIP

BALL

676

BGA

SQUARE

PLASTIC/EPOXY

YES

1.05 V

GRID ARRAY

BGA676,26X26,40

.95 V

100 Cel

0 Cel

BOTTOM

2.54 mm

27 mm

27 mm

CMOS

1 V

1 mm

S-PBGA-B676

XCZU4CG-1FBVB900E

Xilinx

MICROPROCESSOR CIRCUIT

OTHER

BALL

900

BGA

RECTANGULAR

PLASTIC/EPOXY

YES

.876 V

GRID ARRAY

.825 V

100 Cel

0 Cel

Tin/Silver/Copper (Sn96.5Ag3.0Cu0.5)

BOTTOM

30

245

CMOS

.85 V

R-PBGA-B900

4

e1

XC7Z010-L1CLG225I

Xilinx

SYSTEM ON CHIP

BALL

225

LFBGA

SQUARE

PLASTIC/EPOXY

YES

1.05 V

GRID ARRAY, LOW PROFILE, FINE PITCH

BGA225,15X15,32

.95 V

100 Cel

-40 Cel

BOTTOM

1.5 mm

13 mm

13 mm

CMOS

1 V

.8 mm

S-PBGA-B225

AM6252ATCGGAALW

Texas Instruments

SoC

BALL

425

VFBGA

SQUARE

PLASTIC/EPOXY

YES

.79 V

GRID ARRAY, VERY THIN PROFILE, FINE PITCH

BGA425,25X25,20

.715 V

105 Cel

-40 Cel

BOTTOM

.89 mm

13 mm

250

13 mm

CMOS

.75 V

.5 mm

S-PBGA-B425

3

1400 rpm

MCIMX6Q5EYM12AD

NXP Semiconductors

SYSTEM ON CHIP

OTHER

BALL

624

LFBGA

SQUARE

PLASTIC/EPOXY

YES

1.5 V

GRID ARRAY, LOW PROFILE, FINE PITCH

1.275 V

105 Cel

-20 Cel

TIN SILVER COPPER

BOTTOM

1.6 mm

21 mm

24 MHZ NOMINAL XTAL FREQUENCY AVAILABLE

40

260

21 mm

CMOS

.8 mm

S-PBGA-B624

3

e1

MCIMX6S5EVM10AC

NXP Semiconductors

SoC

OTHER

BALL

624

LFBGA

SQUARE

PLASTIC/EPOXY

YES

1.5 V

GRID ARRAY, LOW PROFILE, FINE PITCH

BGA624,25X25,32

1.35 V

105 Cel

-20 Cel

TIN SILVER COPPER

BOTTOM

1.6 mm

21 mm

40

260

21 mm

CMOS

.8 mm

S-PBGA-B624

3

e1

XC7Z014S-1CLG400I

Xilinx

SYSTEM ON CHIP

BALL

400

LFBGA

SQUARE

PLASTIC/EPOXY

YES

1.05 V

GRID ARRAY, LOW PROFILE, FINE PITCH

BGA400,20X20,32

.95 V

100 Cel

-40 Cel

BOTTOM

1.6 mm

17 mm

17 mm

CMOS

1 V

.8 mm

S-PBGA-B400

XCZU5EG-1SFVC784I

Xilinx

PROGRAMMABLE SoC

INDUSTRIAL

BALL

784

BGA

RECTANGULAR

PLASTIC/EPOXY

YES

.876 V

GRID ARRAY

BGA784,28X28,32

.825 V

100 Cel

-40 Cel

TIN SILVER COPPER

BOTTOM

3.32 mm

23 mm

30

250

23 mm

CMOS

.85 V

.8 mm

R-PBGA-B784

4

e1

AM6232ATCGGAALW

Texas Instruments

SoC

BALL

425

VFBGA

SQUARE

PLASTIC/EPOXY

YES

.79 V

GRID ARRAY, VERY THIN PROFILE, FINE PITCH

BGA425,25X25,20

.715 V

105 Cel

-40 Cel

BOTTOM

.89 mm

13 mm

250

13 mm

CMOS

.75 V

.5 mm

S-PBGA-B425

3

1400 rpm

XC7Z012S-2CLG485I

Xilinx

SYSTEM ON CHIP

BALL

485

LFBGA

SQUARE

PLASTIC/EPOXY

YES

1.05 V

GRID ARRAY, LOW PROFILE, FINE PITCH

BGA485,22X22,32

.95 V

100 Cel

-40 Cel

BOTTOM

1.6 mm

19 mm

19 mm

CMOS

1 V

.8 mm

S-PBGA-B485

XC7Z030-2SBG485E

Xilinx

SYSTEM ON CHIP

BALL

485

BGA

SQUARE

PLASTIC/EPOXY

YES

1.05 V

GRID ARRAY

BGA485,22X22,32

.95 V

100 Cel

0 Cel

BOTTOM

2.44 mm

19 mm

19 mm

CMOS

1 V

.8 mm

S-PBGA-B485

XCZU7EV-1FFVC1156I

Xilinx

MICROPROCESSOR CIRCUIT

INDUSTRIAL

BALL

1156

BGA

RECTANGULAR

PLASTIC/EPOXY

YES

.876 V

GRID ARRAY

.825 V

100 Cel

-40 Cel

Tin/Silver/Copper (Sn96.5Ag3.0Cu0.5)

BOTTOM

30

245

CMOS

.85 V

R-PBGA-B1156

4

e1

XCZU7EV-2FFVC1156I

Xilinx

MICROPROCESSOR CIRCUIT

INDUSTRIAL

BALL

1156

BGA

RECTANGULAR

PLASTIC/EPOXY

YES

.876 V

GRID ARRAY

.825 V

100 Cel

-40 Cel

Tin/Silver/Copper (Sn/Ag/Cu)

BOTTOM

30

245

CMOS

.85 V

R-PBGA-B1156

4

e1

MCIMX6D7CVT08AD

NXP Semiconductors

SoC

INDUSTRIAL

BALL

624

FBGA

SQUARE

PLASTIC/EPOXY

YES

1.5 V

GRID ARRAY, FINE PITCH

BGA624,25X25,32

1.275 V

105 Cel

-40 Cel

TIN SILVER COPPER

BOTTOM

2.16 mm

21 mm

EACH GPIO MODULE SUPPORTS 32 BITS OF I/O

40

260

21 mm

CMOS

1.4 V

.8 mm

S-PBGA-B624

3

e1

MCIMX6U5DVM10AB

NXP Semiconductors

SYSTEM ON CHIP

OTHER

BALL

624

LFBGA

SQUARE

PLASTIC/EPOXY

YES

1.5 V

GRID ARRAY, LOW PROFILE, FINE PITCH

BGA624,25X25,32

1.35 V

95 Cel

0 Cel

TIN SILVER COPPER

BOTTOM

1.6 mm

21 mm

40

260

21 mm

CMOS

.8 mm

S-PBGA-B624

3

e1

XC7Z030-L2FBG676I

Xilinx

SYSTEM ON CHIP

BALL

676

BGA

SQUARE

PLASTIC/EPOXY

YES

1.05 V

GRID ARRAY

BGA676,26X26,40

.95 V

100 Cel

-40 Cel

BOTTOM

2.54 mm

27 mm

27 mm

CMOS

1 V

1 mm

S-PBGA-B676

XCZU7EV-L1FFVC1156I

Xilinx

MICROPROCESSOR CIRCUIT

INDUSTRIAL

BALL

1156

BGA

RECTANGULAR

PLASTIC/EPOXY

YES

.742 V

GRID ARRAY

.698 V

100 Cel

-40 Cel

Tin/Silver/Copper (Sn/Ag/Cu)

BOTTOM

ALSO AVAILABLE WITH 0.85V NOMINAL SUPPLY

30

245

CMOS

.72 V

R-PBGA-B1156

4

e1

MCIMX6X4EVM10AC

NXP Semiconductors

SoC

BALL

529

LFBGA

SQUARE

PLASTIC/EPOXY

YES

1.5 V

GRID ARRAY, LOW PROFILE, FINE PITCH

BGA529,23X23,32

1.35 V

105 Cel

-20 Cel

TIN SILVER COPPER

BOTTOM

1.52 mm

19 mm

40

260

19 mm

CMOS

.8 mm

S-PBGA-B529

3

e1

MCIMX6Y1CVM05AB

NXP Semiconductors

SoC

BALL

289

LFBGA

SQUARE

PLASTIC/EPOXY

YES

1.5 V

GRID ARRAY, LOW PROFILE, FINE PITCH

BGA289,17X17,32

1.275 V

105 Cel

-40 Cel

TIN SILVER COPPER

BOTTOM

1.32 mm

14 mm

40

260

14 mm

CMOS

.8 mm

S-PBGA-B289

3

e1

TMS320DM365ZCED30

Texas Instruments

MICROPROCESSOR CIRCUIT

INDUSTRIAL

BALL

338

LFBGA

SQUARE

PLASTIC/EPOXY

YES

1.42 V

32

1.35,1.8,3.3

GRID ARRAY, LOW PROFILE, FINE PITCH

BGA338,19X19,25

1.28 V

85 Cel

-40 Cel

TIN SILVER COPPER

BOTTOM

1.3 mm

8192

13 mm

32

30

260

13 mm

CMOS

1.35 V

Digital Signal Processors

I2C; SPI; UART; USB

.65 mm

FIXED POINT

S-PBGA-B338

3

Not Qualified

e1

XC7Z014S-2CLG484I

Xilinx

SYSTEM ON CHIP

BALL

484

LFBGA

SQUARE

PLASTIC/EPOXY

YES

1.05 V

GRID ARRAY, LOW PROFILE, FINE PITCH

BGA484,22X22,32

.95 V

100 Cel

-40 Cel

BOTTOM

1.6 mm

19 mm

19 mm

CMOS

1 V

.8 mm

S-PBGA-B484

MCIMX6Q6AVT10AER

NXP Semiconductors

SoC

AUTOMOTIVE

BALL

624

FBGA

SQUARE

PLASTIC/EPOXY

YES

1.5 V

GRID ARRAY, FINE PITCH

BGA624,25X25,32

1.35 V

125 Cel

-40 Cel

BOTTOM

2.16 mm

21 mm

40

260

21 mm

CMOS

1.4 V

.8 mm

S-PBGA-B624

3

XCZU2CG-1SBVA484E

Xilinx

MICROPROCESSOR CIRCUIT

OTHER

BALL

484

BGA

RECTANGULAR

PLASTIC/EPOXY

YES

.876 V

GRID ARRAY

.825 V

100 Cel

0 Cel

Tin/Silver/Copper (Sn/Ag/Cu)

BOTTOM

30

250

CMOS

.85 V

R-PBGA-B484

4

e1

TMS320DM368ZCEF

Texas Instruments

MICROPROCESSOR CIRCUIT

OTHER

BALL

338

LFBGA

SQUARE

PLASTIC/EPOXY

YES

1.42 V

32

1.35,1.8,3.3

GRID ARRAY, LOW PROFILE, FINE PITCH

BGA338,19X19,25

1.28 V

85 Cel

0 Cel

TIN SILVER COPPER

BOTTOM

1.3 mm

8192

13 mm

32

30

260

13 mm

CMOS

1.35 V

Digital Signal Processors

I2C; SPI; UART; USB

.65 mm

FIXED POINT

S-PBGA-B338

3

Not Qualified

e1

XC7Z100-1FFG900I

Xilinx

SYSTEM ON CHIP

BALL

900

BGA

SQUARE

PLASTIC/EPOXY

YES

1.05 V

GRID ARRAY

BGA900,30X30,40

.95 V

100 Cel

-40 Cel

BOTTOM

3.24 mm

27 mm

27 mm

CMOS

1 V

1 mm

S-PBGA-B900

XCZU3CG-1SBVA484E

Xilinx

MICROPROCESSOR CIRCUIT

OTHER

BALL

484

BGA

RECTANGULAR

PLASTIC/EPOXY

YES

.876 V

GRID ARRAY

.825 V

100 Cel

0 Cel

Tin/Silver/Copper (Sn/Ag/Cu)

BOTTOM

30

250

CMOS

.85 V

R-PBGA-B484

4

e1

MCIMX6G1CVM05AB

NXP Semiconductors

SYSTEM ON CHIP

INDUSTRIAL

BALL

289

LFBGA

SQUARE

PLASTIC/EPOXY

YES

1.3 V

GRID ARRAY, LOW PROFILE, FINE PITCH

1.15 V

105 Cel

-40 Cel

TIN SILVER COPPER

BOTTOM

1.32 mm

14 mm

40

260

14 mm

CMOS

.8 mm

S-PBGA-B289

3

e1

MIMXRT1061CVL5A

NXP Semiconductors

SoC

INDUSTRIAL

BALL

196

LFBGA

SQUARE

PLASTIC/EPOXY

YES

1.26 V

GRID ARRAY, LOW PROFILE, FINE PITCH

BGA196,14X14,25

1.15 V

105 Cel

-40 Cel

TIN SILVER COPPER

BOTTOM

1.43 mm

10 mm

40

260

10 mm

CMOS

.65 mm

S-PBGA-B196

3

e1

XCZU19EG-2FFVB1517E

Xilinx

MICROPROCESSOR CIRCUIT

OTHER

BALL

1517

BGA

RECTANGULAR

PLASTIC/EPOXY

YES

.876 V

GRID ARRAY

.825 V

100 Cel

0 Cel

Tin/Silver/Copper (Sn/Ag/Cu)

BOTTOM

30

245

CMOS

.85 V

R-PBGA-B1517

4

e1

AM4376BZDND80

Texas Instruments

SYSTEM ON CHIP

INDUSTRIAL

BALL

491

LFBGA

SQUARE

PLASTIC/EPOXY

YES

1.326 V

GRID ARRAY, LOW PROFILE, FINE PITCH

BGA491,25X25,25

1.21 V

90 Cel

-40 Cel

TIN SILVER COPPER

BOTTOM

1.3 mm

17 mm

30

260

17 mm

CMOS

1.26 V

.65 mm

S-PBGA-B491

3

e1

MCIMX6L8DVN10AA

NXP Semiconductors

SoC

BALL

432

TFBGA

SQUARE

PLASTIC/EPOXY

YES

1.5 V

GRID ARRAY, THIN PROFILE, FINE PITCH

BGA432,24X24,20

1.375 V

95 Cel

0 Cel

TIN SILVER COPPER

BOTTOM

1.1 mm

13 mm

40

260

13 mm

CMOS

.5 mm

S-PBGA-B432

3

e1

SCANSTA112SMX/NOPB

Texas Instruments

MICROPROCESSOR CIRCUIT

INDUSTRIAL

BALL

100

LFBGA

SQUARE

PLASTIC/EPOXY

YES

3.6 V

3.3

GRID ARRAY, LOW PROFILE, FINE PITCH

BGA100,10X10,32

3 V

85 Cel

-40 Cel

TIN SILVER COPPER

BOTTOM

1.5 mm

10 mm

0

30

260

10 mm

CMOS

3.3 V

Other Microprocessor ICs

.8 mm

S-PBGA-B100

4

Not Qualified

e1

XC7Z015-3CLG485E

Xilinx

SYSTEM ON CHIP

BALL

485

LFBGA

SQUARE

PLASTIC/EPOXY

YES

1.05 V

GRID ARRAY, LOW PROFILE, FINE PITCH

BGA485,22X22,32

.95 V

100 Cel

0 Cel

BOTTOM

1.6 mm

19 mm

19 mm

CMOS

1 V

.8 mm

S-PBGA-B485

XC7Z035-1FFG676C

Xilinx

SYSTEM ON CHIP

BALL

676

BGA

SQUARE

PLASTIC/EPOXY

YES

1.05 V

GRID ARRAY

BGA676,26X26,40

.95 V

85 Cel

0 Cel

BOTTOM

3.24 mm

27 mm

27 mm

CMOS

1 V

1 mm

S-PBGA-B676

Other Function uPs,uCs & Peripheral ICs

Other function uPs, uCs, and peripheral ICs refer to a wide range of integrated circuits that perform a variety of functions beyond the traditional microprocessor and microcontroller roles. These ICs can be found in a variety of electronic devices, including computers, smartphones, automotive systems, and industrial control systems.

Examples of other function ICs include data acquisition and conversion ICs, which are used to convert analog signals into digital data that can be processed by a microcontroller or microprocessor. These ICs are commonly used in industrial control systems and medical equipment, among other applications.

Another example is interface and communication ICs, which facilitate communication between different electronic devices. These ICs can include Ethernet controllers, USB controllers, and serial communication interfaces, among others.

Power management ICs are another important category of other function ICs. These ICs are used to regulate and manage the power supply to electronic devices, ensuring that they operate efficiently and safely. Power management ICs can include voltage regulators, power controllers, and battery management ICs.