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Overview
| Topology | Buck Converter |
| Input voltage | 4.5-75 V |
| Output 1 | 5 V / 80 A |
| IC revision | 1 |
Description
The MIC2132 is a constant on-time, dual phase synchronous buck controller featuring a unique adaptive on-time control architecture with a stackable feature of up to eight phases. The MIC2132 operates over an input supply range from 4.5V to 75V and can be used to supply up to 50A of output current/phase. The output voltage is adjustable down to 0.6V with an ensured accuracy of ±1%. The device operates with a programmable switching frequency from 100 kHz to 800 kHz per phase.The MIC2132 is available in a 32-pin 5 mm x 5 mm VQFN package, with a -40°C to +125°C junction operating temperature range.
Features
- Input Voltage Range: 4.5V to 75V
- Adjustable Output from 0.6V to 32V
- Adaptive Constant on Time Control
- High Delta V Operation
- Any Capacitor™ Stable
- 0.6V Internal Reference with ±1% Accuracy
- Operates in CCM, Stackable for Multiphase Operation Up to Eight Phases
- Ripple Injection from Third Node which Allows Greater than 50% Duty Cycles
- Accurate Current Balancing Between Phases
- Accurate Phasing Between Phases which are Always 180° Out of Phase
- 100 kHz to 800 kHz Switching Frequency per Phase
- High Voltage Internal 5V LDO for Single Supply Operation
- Secondary LDO to Improve System Efficiency
- Supports Start Up to Pre-bias Output
- Remote Sense Amplifier for Tight Output Regulation
- Supports Adaptive Voltage Positioning (AVP) or Droop
- Precision Enable Function for Low Stand-by Current
- External Programmable Soft Start to Reduce Inrush Current
- Programmable Current Limit and Hiccup Short Circuit Protection
- Thermal Shut Down with Hysteresis
- Die Temperature Sense on MIC2132
- Compact Size: 5 x 5 mm 32-pin QFN
- -40°C to +125°C Junction Temperature Range
Typical applications
- Multiphase Buck Regulator
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | W(mm) | H(mm) | To | Tl(mm) | Pins | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | Q(%) | DF(%) | RISO | Ceramic Type | L(mm) | Fl(mm) | Packaging | L(µH) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | RDC max.(mΩ) | fres(MHz) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 25 V(DC), 0.8 mm, 0.8 mm | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Width0.8 mm | Height0.8 mm | – | – | – | Capacitance10 pF | Capacitance±5% | Rated Voltage25 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Q-Factor600 % | – | Insulation Resistance10 GΩ | Ceramic TypeNP0 Class I | Length1.6 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 0.8 mm, 0.8 mm | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Width0.8 mm | Height0.8 mm | – | – | – | Capacitance100 pF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 0.8 mm, 0.8 mm | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Width0.8 mm | Height0.8 mm | – | – | – | Capacitance1 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 0.8 mm, 0.8 mm | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Width0.8 mm | Height0.8 mm | – | – | – | Capacitance1.5 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 0.8 mm, 0.8 mm | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Width0.8 mm | Height0.8 mm | – | – | – | Capacitance10 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 100 V(DC), 0.8 mm, 0.8 mm | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 100 V(DC) | Width0.8 mm | Height0.8 mm | – | – | – | Capacitance470 pF | Capacitance±5% | Rated Voltage100 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Q-Factor1000 % | – | Insulation Resistance10 GΩ | Ceramic TypeNP0 Class I | Length1.6 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), 1.6 mm, 0.8 mm | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Width1.6 mm | Height0.8 mm | – | – | – | Capacitance100 nF | Capacitance±10% | Rated Voltage25 V (DC) | Size1206 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor3.5 % | Insulation Resistance5 GΩ | Ceramic TypeX7R Class II | Length3.2 mm | Pad Dimension0.6 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 100 V(DC), 1.6 mm, 1.25 mm | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 100 V(DC) | Width1.6 mm | Height1.25 mm | – | – | – | Capacitance100 nF | Capacitance±10% | Rated Voltage100 V (DC) | Size1206 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor2.5 % | Insulation Resistance1 GΩ | Ceramic TypeX7R Class II | Length3.2 mm | Pad Dimension0.6 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 16 V(DC), 2.5 mm, 2.5 mm | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 16 V(DC) | Width2.5 mm | Height2.5 mm | – | – | – | Capacitance47 µF | Capacitance±20% | Rated Voltage16 V (DC) | Size1210 | Operating Temperature -55 °C up to +85 °C | – | Dissipation Factor10 % | Insulation Resistance0.002 GΩ | Ceramic TypeX5R Class II | Length3.2 mm | Pad Dimension0.75 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | |||||
 | WP-THRSH REDCUBE THR with external thread, 10 mm, 10.5 mm | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWP-THRSH REDCUBE THR with external thread | Width10 mm | Height10.5 mm | Outer ThreadM5 | Thread Length7 mm | Pins9 | – | – | – | – | Operating Temperature -55 °C up to +150 °C | – | – | – | – | – | – | PackagingTape and Reel | – | – | – | – | – | – | MountTHR | |||
 | WE-XHMI SMT Power Inductor, 10.5 mm, 8.8 mm | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | Width10.5 mm | Height8.8 mm | – | – | Pins2 | – | – | – | Size1090 | Operating Temperature -40 °C up to +125 °C | – | – | – | – | Length11.6 mm | – | – | Inductance4.7 µH | Performance Rated Current20 A | Saturation Current @ 30%28.05 A | DC Resistance5 mΩ | DC Resistance5.5 mΩ | Self Resonant Frequency21 MHz | MountSMT |