- Infineon Technologies AG
- ICT and Industrial
- Smart Factories and Robotics
Product overview
CoolSET™ is an AC-DC integrated power IC that combines a PWM controller with a high-voltage CoolMOS™ P7 MOS FETS (700V/800V/950V) in a single package. Available in fixed frequency and quasi-resonant configurations, it significantly simplifies the design of offline SMPS (SWITCHING POWER SUPPLIES). It is available in DIP-7 and DSO-12 packages and supports POWER SUPPLIES up to 60W.
Features:
High integration: PWM controller + MOS FETS + startup cell integrated
High efficiency: Active burst mode and digital frequency reduction improve light load efficiency
Protection functions: Input OVP, Brown In/Out, OCP, OTP, CS pin short circuit protection
EMI countermeasures: Low noise design with frequency jitter and soft SWITCHES
Applications: CHARGERS, adapters, home appliances, industrial auxiliary POWER SUPPLIES supplies, IoT devices
List of main features and specifications
*Common functions
PWM controller + MOS FETS integrated (700V/800V/950V CoolMOS™)
Standby power <100mW in active burst mode
Low EMI with frequency jitter and soft gate drive
Protection: OVP, OCP, OTP, Brown-in/out, CS pin short circuit
Family Overview
Fixed frequency type: 65kHz/100kHz, simple design, low cost
Quasi-resonant type: High efficiency, low EMI, frequency reduction at light loads
Output power guideline:
650V: Max 42W
800V: Max 47W
Supports over 60W by adding an external MOS FETS
Fixed frequency CoolSET™
| 700 V CoolSET™ Switch | 650 V CoolSET™ Switch | ||||
|---|---|---|---|---|---|
| Gen5 Plus ICE5AR4770AG(BZS)-1 | Gen5 ICE5ARxx70AG(BZS) | Gen3 ICE3Axx65ELJ | Gen3R ICE3BRxx65J | cGen3R ICE3RBRxx65JZ(G) | |
| Package | DIP-7, DSO-12 | DIP-7, DSO-12 | DIP-8 | DIP-7, DSO-12 | |
| Output power range | 15 W | 15 W | 19 W - 34 W | 15 W - 41 W | 14 W - 39 W |
| Operating temperature range | -40℃ - 130℃ | -40℃ - 129℃ | -25℃ - 130℃ | -40℃ - 130℃ | |
| Switching frequency | 100 kHz | 100 kHz | 100 kHz | 65 kHz | 65 kHz |
| Frequency reduction | ✓ | ✓ | - | ||
| Integrated error amplifier | ✓ | ✓ | - | ||
| Slope compensation for CCM mode | ✓ | ✓ | - | ||
| Vcc on/off threshold | 16V/10V | 16V/10V | 18V/10.5V | ||
| Soft-start time | 12 ms | 12 ms | 20 ms | ||
| Active burst mode selection | 3 levels | 3 levels | 1 level | ||
| V cc pin short-to-ground protection | No start-up | No start-up | - | ||
| Vcc overvoltage protection | Auto restart | Auto restart | Latch | Auto restart | |
| Overtemperature protection | Auto restart with hysteresis | Auto restart with hysteresis | Latch | Auto restart | |
| External protection enable pin | - | - | Latch | Auto restart | |
| Adjustable brown-in/out protection | - | - | - | ||
| Adjustable line input overvoltage protection | Only ICE5AR4770AG-1 | Only ICE5ARxx70AG | - | ||
| Fast AC reset | - | ||||
| Product available | ICE5AR4770AG-1 ICE5AR4770BZS-1 | ICE5AR4770AG ICE5AR4770BZS | ICE3A1065ELJ ICE3A2065ELJ | ICE3BR4765J ICE3BR1765J ICE3BR0665J | ICE3RBR4765JZ ICE3RBR1765JZ ICE3RBR0665JZ ICE3RBR4765JG ICE3RBR1765JG ICE3RBR0665JG |
Quasi-resonant CoolSET™
| Output power 1) 85V AC- 300V AC T a = 50°C | 15 W | 23 W | 27 W | 42 W | |
|---|---|---|---|---|---|
| R DS(on),max | 4.85Ω | 2.35Ω | 1.75Ω | 0.80Ω | |
| 800 V | DSO-12 | ICE5QR4780BG-1 | ICE5QR2280BG-1 | ICE5QR1680BG-1 | ICE5QR0680BG-1 |
CoolSET™ Switch quasi-resonant 5th Generation
| Output power 1) 85V AC- 300V AC T a = 50°C | 15 W | 23 W | 27 W | 42 W | |
|---|---|---|---|---|---|
| R DS(on),max | 4.85Ω | 2.35Ω | 1.75Ω | 0.80Ω | |
| 800 V | DSO-12 | ICE5QR4780BG | ICE5QR2280BG | ICE5QR1680BG | ICE5QR0680BG |
CoolSET™ Switch quasi-resonant 2nd Generation
| Output power 1) 85V AC- 300V AC T a = 50°C | 14 W - 15 W | 20 W - 21 W | 23 W - 26 W | 31 W | 38 W - 42 W | |
|---|---|---|---|---|---|---|
| R DS(on),max | 5.44Ω - 5.18Ω | 2.62Ω | 1.96Ω | 1.11Ω | 0.75Ω - 0.71Ω | |
| 650 V | DIP-7 | ICE2QR1765Z | ICE2QR0665Z | |||
| DIP-8 | ICE2QR4765 | ICE2QR1765 | ICE2QR0665 | |||
| DSO-12 | ICE2QR4765G | ICE2QR1765G | ICE2QR0665G | |||
| 800 V | DIP-7 | ICE2QR2280Z | ICE2QR0680Z | |||
| DSO-12 | ICE2QR4780G | ICE2QR2280G ICE2QR2280G-1 | ICE2QR1080G | |||
For detailed technical information, please visit the Infineon website.
Benefits of implementation
| problems | solution |
|---|---|
| Many parts and complex design | PWM + MOS FETS integration reduces BOM and simplifies design |
| Difficult to comply with standby power regulations | <100mW in active burst mode |
| EMI countermeasures take time | Low noise due to frequency jitter and soft SWITCHES |
| Additional cost of protection circuitry | High reliability with built-in OVP/OCP/OTP/Brown-in |
Use cases and implementation examples
Use Case 1: CHARGERS and Adapters (10-30W)
[Use case overview]
CHARGERS for smartphones and IoT devices must be compact, highly efficient, and comply with energy-saving regulations. CoolSET™ integrates a PWM controller and high-voltage MOS FETS to reduce the number of components. Active burst mode improves light load efficiency and suppresses standby power consumption to less than 100mW. It complies with international energy-saving standards such as ErP Lot 6 and DOE, reducing design time and BOM costs.
[Major features]
Low standby power with active burst mode
OVP/OCP/OTP, Brown-in/out protection
Low EMI design with frequency jitter
Use case 2: Auxiliary POWER SUPPLIES supply for home appliances (6 to 22W)
[Use case overview]
For white goods such as air conditioners and refrigerators, the reliability and efficiency of auxiliary POWER SUPPLIES are important.
CoolSET™ is available in fixed frequency or quasi-resonant configurations, achieving both low EMI and high efficiency. Built-in protection functions ensure safe operation even under abnormal conditions. Design simplification helps shorten development time and ensure first-time pass of EMI testing.
[Major features]
Brown-in/out protection, OTP, OCP
High efficiency and low noise with quasi-resonant control
Soft SWITCHES reduces EMI
Use Case 3: SMPS for industrial and communications equipment
[Use case overview]
Industrial control devices and communication equipment require a wide input range and high reliability.
CoolSET™ has a built-in 800V MOS FETS that withstands high voltage and operates stably even in harsh POWER SUPPLIES environments. The auto-restart function makes it easy to recover from abnormalities, making it ideal for industrial applications that require long-term operation.
[Major features]
Built-in high-voltage MOS FETS (700V/800V/950V)
OVP/OCP/OTP, auto restart
Improved efficiency by reducing frequency at light loads
Inquiry
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