IR3538AMTYPBF

IR3538AMTYPBF Datasheet

IR3536A IR3538A

Part	Datasheet
IR3538AMTYPBF	IR3538AMTYPBF (pdf)

Related Parts	Information
IR3538AMSM01TRP	IR3538AMSM01TRP

PDF Datasheet Preview
Digital Multi-Phase Buck Controller IR3536A IR3538A • 6-phase & 8-phase dual output PWM Controller • Phases are flexibly assigned between Loops 1 & 2 • VR12, 3.4MHz SVI/PVI & Memory modes • Overclocking & Gaming Mode with Vmax setting • Switching frequency from 200kHz to 1.2MHz per phase • IR Efficiency Shaping Features including Variable Gate Drive and Dynamic Phase Control • Programmable 1-phase or 2-phase for Light Loads and Active Diode Emulation for Very Light Loads • IR Adaptive Transient Algorithm ATA on both loops minimizes output bulk capacitors and system cost • Auto-Phase Detection with auto-compensation • Per-Loop Fault Protection OVP, UVP, OCP, OTP, CFP • I2C/SMBus/PMBus system interface for telemetry of Temperature, Voltage, Current & Power for both loops • Non-Volatile Memory NVM for custom configuration • Compatible with IR ATL and 3.3V Tri-state Drivers • +3.3V supply voltage -20ºC to 85ºC ambient operation • Pb-Free, RoHS, 7x7 48-pin & 8x8 56-pin QFN, MSL2 package • Intel VR12 & SVI & PVI based systems • DDR Memory with Vtt tracking • Overclocked & Gaming platforms The IR3536A and IR3538A are dual-loop digital multi-phase buck controllers. The IR3536A drive up to 6 phases and the IR3538A drives up to 8 phases. The IR3536A and IR3538A are fully VR12 and SVI/PVI compliant on both loops and provide a Vtt tracking function for DDR memory. The IR3536A and IR3538A include the IR Efficiency Shaping Technology to deliver exceptional efficiency at minimum cost across the entire load range. IR Variable Gate Drive optimizes the MOSFET gate drive voltage based on real-time load current. IR Dynamic Phase Control adds/drops phases based upon load current. The IR3536A and IR3538A can be configured to enter 1phase operation and active diode emulation mode automatically or by command. IR’s unique Adaptive Transient Algorithm ATA , based on proprietary non-linear digital PWM algorithms, minimizes output bulk capacitors. The I2C/PMBus interface can communicate with up to 16 IR3536A and IR3538A based VR loops. Device configuration and fault parameters are easily defined using the IR Intuitive Power Designer DPDC GUI and stored in on-chip NVM. The IR3536A and IR3538A provides extensive OVP, UVP, OCP and OTP fault protection and includes thermistor based temperature sensing with VR_HOT signal. NVM storage saves pins and enables a small package size. The IR3536A and IR3538A also include numerous features like register diagnostics for fast design cycles and platform differentiation, truly simplifying VRD design and enabling fastest time-to-market with its “set-and-forget” methodology. PIN DIAGRAM Figure 1 IR3536A Package Top View 1 June 21, 2013 \| FINAL \| V1.09 Figure 2 IR3538A Package Top View Digital Multi-Phase Buck Controller IR3536A IR3538A ORDERING INFORMATION P/PBF Lead Free TR Tape & Reel / TY - Tray yy Configuration File ID xx Customer ID Package Type QFN Part 6 IR3536A 8 IR3538A Package QFN Packing Qty TR=3000 TY=2600 TR=3000 TY=2600 QFN TR=3000 QFN TR=3000 Notes: IR3536AMTRPBF IR3536AMTYPBF IR3538AMTRPBF IR3538AMTYPBF IR3536AMxxyyTRP1 IR3538AMxxyyTRP1 Programming Default Default Customer Configuration Customer Configuration Customer Specific Configuration File, where xx = Customer ID and yy = Configuration File Codes assigned by IR Marketing . Figure 3 IR3536A Package Top View, Enlarged 2 June 21, 2013 \| FINAL \| V1.09 Figure 4 IR3538A Package Top View, Enlarged Digital Multi-Phase Buck Controller IR3536A IR3538A FUNCTIONAL BLOCK DIAGRAM RCSP_L2 RSCM_L2 VSEN_L2 VRTN_L2 AFE_2 VID_2 V18A 1.8V RCSP RSCM VSEN VRTN AFE_1 ITOT_2 Voltage ADC VID_1 Vout1_Error Vout2_Error PWM1 PWM2 PWM3 ISEN1 IRT...N1 ISENx IRTNx IP... 1 IPx IR3536/ IR3538/ CCHHL8L3823626 CHL8328 ITOT_1 ISENy

PDF Datasheet Preview

Digital Multi-Phase Buck Controller

IR3536A IR3538A
• 6-phase & 8-phase dual output PWM Controller
• Phases are flexibly assigned between Loops 1 & 2
• VR12, 3.4MHz SVI/PVI & Memory modes
• Overclocking & Gaming Mode with Vmax setting
• Switching frequency from 200kHz to 1.2MHz per phase
• IR Efficiency Shaping Features including Variable Gate Drive and Dynamic Phase Control
• Programmable 1-phase or 2-phase for Light Loads and Active Diode Emulation for Very Light Loads
• IR Adaptive Transient Algorithm ATA on both loops minimizes output bulk capacitors and system cost
• Auto-Phase Detection with auto-compensation
• Per-Loop Fault Protection OVP, UVP, OCP, OTP, CFP
• I2C/SMBus/PMBus system interface for telemetry
of Temperature, Voltage, Current & Power for both loops
• Non-Volatile Memory NVM for custom configuration
• Compatible with IR ATL and 3.3V Tri-state Drivers
• +3.3V supply voltage -20ºC to 85ºC ambient
operation
• Pb-Free, RoHS, 7x7 48-pin & 8x8 56-pin QFN, MSL2 package
• Intel VR12 & SVI & PVI based systems
• DDR Memory with Vtt tracking
• Overclocked & Gaming platforms

The IR3536A and IR3538A are dual-loop digital multi-phase buck controllers. The IR3536A drive up to 6 phases and the IR3538A drives up to 8 phases. The IR3536A and IR3538A are fully VR12 and SVI/PVI compliant on both loops and provide a Vtt tracking function for DDR memory.

The IR3536A and IR3538A include the IR Efficiency Shaping Technology to deliver exceptional efficiency at minimum cost across the entire load range. IR Variable Gate Drive optimizes the MOSFET gate drive voltage based on real-time load current. IR Dynamic Phase Control adds/drops phases based upon load current. The IR3536A and IR3538A can be configured to enter 1phase operation and active diode emulation mode automatically or by command.

IR’s unique Adaptive Transient Algorithm ATA , based on proprietary non-linear digital PWM algorithms, minimizes output bulk capacitors.

The I2C/PMBus interface can communicate with up to 16 IR3536A and IR3538A based VR loops. Device configuration and fault parameters are easily defined using the IR Intuitive Power Designer DPDC GUI and stored in on-chip NVM.

The IR3536A and IR3538A provides extensive OVP, UVP, OCP and OTP fault protection and includes thermistor based temperature sensing with VR_HOT signal.

NVM storage saves pins and enables a small package size. The IR3536A and IR3538A also include numerous features like register diagnostics for fast design cycles and platform differentiation, truly simplifying VRD design and enabling fastest time-to-market with its “set-and-forget” methodology.

PIN DIAGRAM

Figure 1 IR3536A Package Top View 1 June 21, 2013 | FINAL | V1.09

Figure 2 IR3538A Package Top View

Digital Multi-Phase Buck Controller

IR3536A IR3538A
ORDERING INFORMATION

P/PBF Lead Free TR Tape & Reel / TY - Tray yy Configuration File ID xx Customer ID Package Type QFN Part
6 IR3536A 8 IR3538A

Package QFN

Packing Qty

TR=3000 TY=2600

TR=3000 TY=2600

QFN TR=3000

QFN TR=3000 Notes:

IR3536AMTRPBF IR3536AMTYPBF IR3538AMTRPBF IR3538AMTYPBF IR3536AMxxyyTRP1 IR3538AMxxyyTRP1

Programming

Default

Default Customer Configuration Customer Configuration

Customer Specific Configuration File, where xx = Customer ID and yy = Configuration File Codes assigned by IR Marketing .

Figure 3 IR3536A Package Top View, Enlarged 2 June 21, 2013 | FINAL | V1.09

Figure 4 IR3538A Package Top View, Enlarged

Digital Multi-Phase Buck Controller

IR3536A IR3538A

FUNCTIONAL BLOCK DIAGRAM

RCSP_L2 RSCM_L2

VSEN_L2 VRTN_L2

AFE_2

VID_2

V18A
1.8V

RCSP RSCM

VSEN VRTN

AFE_1

ITOT_2

Voltage ADC

VID_1

Vout1_Error Vout2_Error

PWM1 PWM2 PWM3

ISEN1

IRT...N1 ISENx

IRTNx

IP... 1 IPx

IR3536/ IR3538/

CCHHL8L3823626 CHL8328

ITOT_1

ISENy

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Datasheet ID: IR3538AMTYPBF 639013