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reference designMCP16701A

Microchip MCP16701A

High-performance, High-accuracy PMIC for PCI100x PCIe Switch, High-end MPU and FPGA Power Solutions

Overview

TopologyBuck Converter
Input voltage2.7-5.5 V
Switching frequency5000 kHz
Output 11.6 V / 1.5 A
Output 23.8 V / 1.5 A
IC revision1

Description

The MCP16701A is an optimally integrated PMIC compatible with Microchip's eMPUs (Embedded Microprocessor Units), requiring Dynamic Voltage Scaling (DVS) with the use of High-Performance mode (HPM). It is compatible with PIC64GX, PolarFire and PolarFireSoC which are supported by dedicated device variants that optimize the solution BOM.The MCP16701A integrates eight DC-DC Buck regulators and 4 LDOs, and provides a comprehensive interface to the MPU, which includes an interrupt flag and a 3.4 MHz I2C interface. All Buck channels can support loads up to 1.5A, can be paralleled and are 100% duty cycle-capable. Four 300 mA LDOs are provided such that sensitive analog loads can be supported. Both buck and LDO output voltage settings can be programmed from 0.6V to 1.6V in 12.5mV increments. The voltage selection set allows easy migration across different generations of memory. The default power channel sequencing is built-in according to the requirements of the MPU. A dedicated pin (LPM) facilitates the transition to Low-Power modes and the implementation of Backup mode with DDR in self-refresh (Hibernate mode). The MCP16701A features a low no-load operational quiescent current and draws less than 10 μA in full shutdown. Active discharge resistors are provided on each output. All Buck channels support safe start-up into pre-biased outputs.

Features

Input Voltage Range 2.7V to 5.5VEight 1.5A Buck DC-DC ChannelsFour 300 mA High-Accuracy LDOsOne High-Accuracy, High-PSRR LDO±0.8% Output Voltage Accuracy for Bucks±1% Output Voltage Accuracy for LDOsDirectly Parallelable Buck ChannelsBuck and LDO's can be programmed between 0.6V to 1.6V in 12.5mV steps64-Pin VQFN Package, 8 mm x 8 mm, Industrial Temperature3.4Mhz I2C Communications

Typical applications

  • PCI100x PCIe Gen4x16 Switch (MCP16701A)
  • High-Performance MPUs Power Supply Solutions
  • µC/µP, FPGA, and DSP Power

More information

Parts approved by Microchip

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
C
Tol. C
VR(V (DC))
Size
Operating Temperature
DF(%)
RISO
Ceramic Type
L(mm)
W(mm)
H(mm)
Fl(mm)
Packaging
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC max.(mΩ)
fres(MHz)
RDC typ.(mΩ)
VOP(V)
Mount
SamplesAvailability & Sample
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885012206076
SPECWCAP-CSGP MLCCs 25 V(DC), 1 µF, ±10%
Simu­lation
Availability
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 25 V(DC)
Capacitance1 µF
Capacitance±10% 
Rated Voltage25 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor10 %
Insulation Resistance0.5 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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885012106012
SPECWCAP-CSGP MLCCs 10 V(DC), 4.7 µF, ±20%
Simu­lation
Availability
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 10 V(DC)
Capacitance4.7 µF
Capacitance±20% 
Rated Voltage10 V (DC)
Size0603 
Operating Temperature -55 °C up to +85 °C
Dissipation Factor10 %
Insulation Resistance0.02 GΩ
Ceramic TypeX5R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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885012107011
SPECWCAP-CSGP MLCCs 10 V(DC), 22 µF, ±20%
Simu­lation
Availability
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 10 V(DC)
Capacitance22 µF
Capacitance±20% 
Rated Voltage10 V (DC)
Size0805 
Operating Temperature -55 °C up to +85 °C
Dissipation Factor10 %
Insulation Resistance0.005 GΩ
Ceramic TypeX5R Class II 
Length2 mm
Width1.25 mm
Height1.25 mm
Pad Dimension0.5 mm
Packaging7" Tape & Reel 
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885012109003
SPECWCAP-CSGP MLCCs 6.3 V(DC), 47 µF, ±20%
Simu­lation
Availability
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 6.3 V(DC)
Capacitance47 µF
Capacitance±20% 
Rated Voltage6.3 V (DC)
Size1210 
Operating Temperature -55 °C up to +85 °C
Dissipation Factor10 %
Insulation Resistance0.002 GΩ
Ceramic TypeX5R Class II 
Length3.2 mm
Width2.5 mm
Height2.5 mm
Pad Dimension0.75 mm
Packaging7" Tape & Reel 
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885012108005
SPECWCAP-CSGP MLCCs 6.3 V(DC), 100 µF, ±20%
Simu­lation
Availability
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Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 6.3 V(DC)
Capacitance100 µF
Capacitance±20% 
Rated Voltage6.3 V (DC)
Size1206 
Operating Temperature -55 °C up to +85 °C
Dissipation Factor10 %
Insulation Resistance0.001 GΩ
Ceramic TypeX5R Class II 
Length3.2 mm
Width1.6 mm
Height1.6 mm
Pad Dimension0.5 mm
Packaging7" Tape & Reel 
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74437324010
SPECWE-LHMI SMT Power Inductor, –, –
Simu­lation
Availability
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-LHMI SMT Power Inductor
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Size4020 
Operating Temperature -40 °C up to +125 °C
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Length4.45 mm
Width4.06 mm
Height1.8 mm
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Inductance1 µH
Performance Rated Current6.2 A
Saturation Current @ 10%6.5 A
Saturation Current @ 30%12.5 A
DC Resistance27 mΩ
Self Resonant Frequency89 MHz
DC Resistance22 mΩ
Operating Voltage120 V
MountSMT 
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74479288215
SPECWE-PMCI Power Molded Chip Inductor, –, –

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-PMCI Power Molded Chip Inductor
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Size252012 
Operating Temperature -40 °C up to +125 °C
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Length2.5 mm
Width2 mm
Height1.2 mm
Pad Dimension0.6 mm
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Inductance1.5 µH
Performance Rated Current3.2 A
Saturation Current @ 10%1.35 A
Saturation Current @ 30%3.05 A
DC Resistance77 mΩ
Self Resonant Frequency70 MHz
DC Resistance71 mΩ
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MountSMT 
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744383560068HT
SPECWE-MAPI SMT Power Inductor, –, –
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-MAPI SMT Power Inductor
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Size4020HT 
Operating Temperature -55 °C up to +150 °C
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Length4 mm
Width4 mm
Height2 mm
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Inductance0.68 µH
Performance Rated Current11.7 A
Saturation Current @ 10%5.45 A
Saturation Current @ 30%11.7 A
DC Resistance9.2 mΩ
Self Resonant Frequency67 MHz
DC Resistance8 mΩ
Operating Voltage80 V
MountSMT 
–Check availability
744393230047
SPECWE-XHMI SMT Power Inductor, –, –

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-XHMI SMT Power Inductor
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Size4020 
Operating Temperature -40 °C up to +125 °C
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Length4.3 mm
Width4.3 mm
Height2 mm
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Inductance0.47 µH
Performance Rated Current14.5 A
Saturation Current @ 10%5.6 A
Saturation Current @ 30%12.8 A
DC Resistance6.69 mΩ
Self Resonant Frequency95 MHz
DC Resistance5.25 mΩ
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MountSMT 
–Check availability