R2A20292BFTGOBT - Brand New RENESAS IC Chips
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Description
R2A20292BFTGOBT is a boost converter control IC with PFC (Power Factor Correction) in the R2A20104/114 series. It employs continuous conduction mode interleaving PFC, offering higher efficiency and lower switching noise even for high power use. The control of the continuous conduction mode is achieved by detecting the current in the power MOSFET. This series supports two types of current detection methods, current detection by current transformers (R2A20104SP/FP), and that by shunt resistors (R2A20114SP/FP), making it applicable for a variety of applications. The interleaving control of the boost converters produces a 180 degrees phase shift between the output signals (GD1,2) driving the boost converters. This enables the system to achieve high conversion efficiency, low switching noises, and reduced ripple currents in input and output current, allowing the use of smaller components such as boost inductors, input filters, and output capacitors. The R2A20114 series also integrates various kinds of protection circuits to improve the reliability of the power supply system and reduce the number of component parts.
Specifications and features
• Maximum Ratings
⎯ Supply voltage Vcc: 24 V
⎯ Junction temperature Tj: from –40 to +150 degrees centigrade
• Electrical characteristics
⎯ VFB feedback voltage VREF: 2.5 V ± 1.5%
⎯ UVLO (Undervoltage Lockout) operation start voltage VH: 10.4 V ± 0.7 V
⎯ UVLO operation shutdown voltage VL: 8.9 V ± 0.5 V
⎯ UVLO hysteresis voltage Hysuvl : 1.5 V ± 0.5 V
• Functions
⎯ Boost converter control with continuous conduction mode
⎯ Interleaving control
⎯ Frequency modulation (2)
⎯ Brownout
⎯ Phase drop (1)
⎯ External clock synchronization input
⎯ External clock synchronization output (1)
⎯ Two modes of overvoltage protections
Mode 1: Dynamic OVP preventing overvoltage after sudden variation of load.
Mode 2: Static OVP preventing overvoltage in the period of normal operation.
⎯ Feedback loop wire breaking/open detector
⎯ Dual overvoltage protection circuits (1): FB and OVP2 terminals
⎯ Current balance control
⎯ Phase 1 and Phase 2 independent overcurrent protection
⎯ Package line-up
Pb-free LQFP-40 (R2A20104FP, R2A20114FP)
Pb-free SOP-20 (R2A20104SP, R2A20114SP)Application Scenarios
The R2A20292BFTGOBT boost converter control IC with PFC can be used in various applications including power supply systems, electrical equipment, and electronic devices that require higher efficiency and lower switching noise. Its compact size and integrated protection circuits make it suitable for space-limited applications.
Comparison
Advantages:- Higher efficiency and lower switching noise - Interleaving control for high conversion efficiency and reduced ripple currents - Integrated protection circuits for improved reliability and reduced component countDisadvantages:- None identified -
Similar parts: 430483 , Click to view
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Datasheet
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- Datasheet: Download R2A20292BFTGOBT
- Chipdatas Part: CD94-R2A20292BFTGOBT
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/24 20:34 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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