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Renesas Power Supply & Charger IC General Presentation

Renesas Power Supply & Charger IC General Presentation

Product catalog summary

Introduction
This document provides an overview of Renesas Power Supply and Charger ICs, detailing various products and their applications. It includes disclaimers about the document's reference-only nature and its unsuitability for military or life-threatening applications.

General-Purpose Power Supply IC

AC/DC Power Supply, PFC: Discusses Renesas power supply control ICs, including PWM and non-isolation DC/DC options, highlighting products like R2A20114 and HA16174 for different power ranges.
Concept Roadmap of PFC IC: Details product development for various power ranges and applications, emphasizing reliability and specific use cases like FPD-TV and adapters.

System Power Supply

Synchronous Deflection: Not detailed in the provided text.

Charge Control IC/Protection Control IC

Charge Control IC: Not detailed in the provided text.

D/A Converter, I/O Expander
Not detailed in the provided text.

Key Features and Technologies

Transconductance (gm) Amplifier: Improves load regulation by eliminating current flow through the feedback resistor.
Feedback-Open Detector: Prevents destruction of external parts by stopping power output when the feedback loop is disconnected.
Critical Mode Interleaving PFC (R2A20112): Reduces input noise and ripple, miniaturizes components, and prevents overvoltages.
Dynamic Overvoltage Protection: Controls audible noise and prevents excessive voltage.

Product Features

R2A20113: Critical-mode single PFC for low-output range, featuring overvoltage protection and under-voltage locking.
R2A20111: Continuous single-mode PFC with features like constant power limiter and quick soft start.

Conclusion
The document provides a comprehensive overview of Renesas power supply and charger ICs, highlighting their features, applications, and technological advancements. It emphasizes the importance of adhering to specified ranges and implementing safety measures in applications.

Overview: This document provides a detailed presentation of various power supply and charger integrated circuits (ICs) developed by Renesas Technology Corp. It includes specifications, features, and applications of different ICs suitable for Li-ion battery-powered equipment.

1. HA16167AT Specification:

Designed for 1 cell Li-ion battery-powered equipment.
Low output ripple suitable for analog components.
Specifications include a typical VREG of 5.25 V, input voltage range of 4.5 to 14.5 V, and a maximum output current of 20 A.
Features fast load transient response, high switching frequency, and high efficiency (up to 92%).

2. R2A20010NP 8-ch DC/DC Converter:

Supports power supply for DDR-SDRAM with built-in output MOSFETs and phase compensation circuit.
Channel configuration includes boost, buck, and voltage inversion options.
Operating voltage range is 1.4 V to 4.5 V, suitable for 1 cell Li-ion and 2 cell AA batteries.

3. R2A20016NP 7-ch DC/DC Converter:

Features auto buck-boost converter with minimal external components.
Includes built-in functions like auto PWM/PFM mode switching and power-on sequencer.
Operating voltage range is 1.5 V to 5.5 V.

4. Synchronized Deflection System Controller ICs:

Includes PWM output synchronization with external signals and built-in soft-start function.
Features over-voltage and under-voltage protection circuits.

5. Charge Control ICs:

Various models are available for different battery types, including Li-ion, NiCd, and NiMH.
Features include over-current detection, battery identification, and thermal protection.
Specific models like M62253AGP and R2S20031SP are highlighted for their high-precision voltage control and protection functions.

6. M62244FP Charging Controller:

Designed for Li-ion batteries with constant-current and constant-voltage charging capabilities.
Includes charge protection functions and LED indicators for charge state display.

Overview: The document provides technical details on various battery charger control ICs, focusing on the M62245FP, a charge control IC for Li-Ion batteries. It highlights the features, specifications, and applications of these ICs, emphasizing their role in managing charging processes efficiently.

Key Features of M62245FP:

Designed for 4.2 V Li-Ion batteries with high precision reference voltage (±30 mV).
Supports constant current/constant voltage (CC/CV) charging.
Includes protection against over-discharge and temperature extremes.
Recharge function and charge status indication via two LEDs.
Incorporates delay circuits to prevent chattering and charge-off functions when the adapter is disconnected or voltage drops.
Three timers for initial set, preparatory charge, and charge duration.
LED blinking function for abnormal conditions.

Additional ICs Discussed:

M62249FP: Features high precision voltage, power MOSFET charge switch, and safety timers. Suitable for portable devices like digital cameras.
R2S20030NP: Incorporates charge FET switch and current detection for simplified design. Offers CC/CV control and protection functions.
M62242FP: Low-cost control for all Li-Ion batteries with built-in high-precision reference voltage and automatic charge prevention for unsuitable conditions.
M62255FP: General-purpose control IC for notebook PCs with precise voltage and current control, dual current-detection circuits, and power-saving mode.

Protection ICs for Smart Batteries: Various models (M61040, M61041, etc.) are discussed, highlighting features like high withstand voltage, over-current detection, and built-in reset circuits. These ICs are designed for 3 to 4 cell Li-Ion batteries, offering analog control and protection functions.

D/A Converter and I/O Expander: The document briefly mentions Renesas' offerings in D/A converters and I/O expanders, emphasizing their application in systems requiring additional DAC and I/O ports, short wiring for analog signals, and separate DAC output voltage settings.

Specifications for Renesas D/A Converter:
The document outlines the specifications for Renesas D/A converters, including supply voltage options (2.7 to 3.3 V, 2.7 to 5.5 V, 4.5 to 5.5 V), analog output configurations, and serial interface types (3-wired serial bus, I2C bus). The resolution varies between 8-bit and 10-bit, with conversion times ranging from 10 μS to 300 μS depending on the model and presence of a buffer amplifier. The number of channels available ranges from 2 to 36, with various package options such as SOP, LSSOP/TSSOP, and QFN.

Features for Renesas I/O Expander:
The I/O expander features a 2-wire connection with MCU via I2C bus, allowing for space reduction in wiring. It supports 8-bit data serial to parallel transformation and bit-by-bit input/output settings for I/O ports, simplifying board design. Up to 8 addresses can be connected to one I2C bus, making it suitable for MCU system I/O port expansion and serial to parallel data transformation.

Expansion and Improvements:
The document mentions improvements in performance, power-on reset function, and compatibility with high-speed I2C bus modes. It also highlights the expansion of product lineups and channel values, with a focus on 10-bit resolution and I/O expanders.

Package Size Reduction:
Renesas has reduced package sizes significantly, with reductions of approximately 40% to 63% in various models, enhancing compactness and efficiency in design.

Selection Guide:
The selection guide provides detailed information on various D/A converters and I/O expanders, including their applications in devices like video cameras, printers, and wireless equipment. It categorizes products based on features like buffer amplifiers, serial bus types, and resolution, aiding in the selection of appropriate components for specific applications.

Product Overview:
The document provides a comprehensive overview of D/A converters and I/O expanders, detailing their supply voltage, resolution, number of output channels, and package types. It also includes remarks on products under development and their expected features.

Catalog excerpts

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1. General-Purpose Power Supply IC > 1.1 AC/DC Power Supply, PFC (Power Factor Correction)1.2 Shunt Regulator 1.3 DC/DC Power Supply 2. System Power Supply > 2.1 Synchronous Deflection 3. Charge Control IC/Protection Control IC > 3.1 Charge Control IC 4. D/A Converter, I/O Expander > : Any page with this marking is a newly added page. 2009. RenesasTechnology Corp., All rights reserved.RenesasPower Supply and Charger ICs General Presentation size="-3">

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CCM CRM R2A20114 R2A2012x > Full Bridge, Suitable for large power R2A20115 R2A20121 R2A20111 HA16163 > Half Bridge,Suitable for middle power HA16174 HA16150 HA16178 > InterleaveSingle V-mode, Forward Suitable for small power Forward, Suitable for Main HA16114 R2A20112 M51995A HA16116 R2A20117 > Half input voltage(up to 40 V)Half efficiencyinclude MOS FET R2A20113 R2A20101 HA16158 > 1-2 2009. RenesasTechnology Corp., All rights reserved.RenesasPower Supply and Charger ICs General Presentation size="-3">

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Large Power range > Powerrange 1 kW300 W100 W50 WSmall powerrange R2A20111 > CRM InterleaveFor FPD-TV R2A20115 > HA16174 HA16178 CRM Interleavefor FPD-TVHigh reliability CRM SingleEx) Lighting, FPD-TV,adapter, Refrigerating CCM PFC CRM PFC 2007 20082009 > 1-3 2009. RenesasTechnology Corp., All rights reserved.RenesasPower Supply and Charger ICs General Presentation size="-3">

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Feedback loop is grounded. The voltage rises to an abnormally high level, which breaks the capacitor.Disconnection of the feed-back loop is detected, and power output stops! Prevents destruction of the discrete capacitor and power MOS! > 2009. RenesasTechnology Corp., All rights reserved.RenesasPower Supply and Charger ICs General Presentation size="-1">

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1. Concept of critical mode interleaving by the R2A20112 2. Main purpose of interleaving PFC Reduction of input noise3. Effectirenessof R2A20112/realization of slim size4. Introduction of slimlineboard 5. Prevention of overvoltagesby using dynamic overvoltage protection, which controls audible noise without allowingthe output voltage to exceed the rated value (in consideration of PFC control)6. Critical mode single-chip PFC (R2A20113) for the lowoutput range > 1-8 2009. RenesasTechnology Corp., All rights reserved.RenesasPower Supply and Charger ICs General Presentation size="-2">

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(1) size (2) Electrical characteristicVin = 85 V to 265 VVout= 385 V Number of turns Wire sizeCore sizeGap lengthInductor size factor is as follows.Reduced byinterleaving 150 mm (typical)100 mm (typical) 20 mm (typical) > 1-11 2009. RenesasTechnology Corp., All rights reserved.RenesasPower Supply and Charger ICs General Presentation size="-2">

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PFC-ON VCC IAC SS > Constant Power Limiter CAO RT EO CT CAI > Current Amp OUT VREF FB Climit > Timercounter DELAY CGND GND > 2009. RenesasTechnology Corp., All rights reserved.RenesasPower Supply and Charger ICs General Presentation size="-3">

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Voltage feedback amp Multiplication EO > ConstantLimiter CAIFB Multiplication CS Current amp Current amp Current limiter CLIMITVREF Current limiter > 2009. RenesasTechnology Corp., All rights reserved.RenesasPower Supply and Charger ICs General Presentation size="-1">

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AC inputOutput voltage Hold counter > Even where the power supply has become unstable, IC operationis maintained for a certain period of time by hold-mode operation, so that recovery is faster. Hold timer (adjustable) FET out(HA16174)FET out(without hold function) > Remarks : The above function is only available for a limited time after supply of the correct Vccto the IC stops. If the AC brownout is longer than the hold time, the HA16174 will stop operating, making this function ineffectual. 1-17 A period over which the user does not wish to have soft-start operation after a sudden cessation...

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In the case whereCss= 4.7 F, the time for thequick start is shorter by 4.7 F 1 V/25 A = 188 ms. > 1-18 2009. RenesasTechnology Corp., All rights reserved.RenesasPower Supply and Charger ICs General Presentation size="-2">

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Output12 VDC Input380 VDC Phase-shift control output > OUT-A?OUT-B?OUT-C?OUT-D?CS?RAMP ?OUT-E?OUT-F ?GND Secondary synchronous rectification control output Synchronous rectification andcurrent-doublercircuit Full bridge/ZVS (zero voltageswitching) circuit Current detection circuit > թ2009. RenesasTechnology Corp., All rights reserved.RenesasPower Supply and Charger ICs General Presentation size="-1">

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