Description:The ISL6558 is a multi-phase PWM controller, which in combination with the HIP6601B, HIP6602B, HIP6603B, or ISL6605 companion gate drivers form a complete solution for high-current, high slew-rate applications. The ISL6558 regulates output voltage, balances load currents and provides protective functions for two to four synchronous rectified buck converter channels. A novel approach to current sensing is used to reduce overall solution cost and improve efficiency. The voltage developed across the lower MOSF
5 X 5 MM, GREEN, PLASTIC, MO-220-VHHC, MLFP, QFN-20
Pin Count:
20
Manufacturer Package Code:
L20.5X5
ECCN Code:
EAR99
HTS Code:
8542.39.00.60
Factory Lead Time:
18 Weeks
Manufacturer:
Renesas Electronics Corporation
YTEOL:
6.7
Analog IC - Other Type:
SWITCHING CONTROLLER
Control Mode:
CURRENT MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
5.25 V
Input Voltage-Min:
4.75 V
Input Voltage-Nom:
5 V
JESD-30 Code:
S-PQCC-N20
JESD-609 Code:
e3
Length:
5 mm
Moisture Sensitivity Level:
2
Number of Functions:
1
Number of Terminals:
20
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Package Body Material:
PLASTIC/EPOXY
Package Code:
HVQCCN
Package Shape:
SQUARE
Package Style:
CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Seated Height-Max:
1 mm
Surface Mount:
YES
Switcher Configuration:
PHASE-SHIFT
Switching Frequency-Max:
1500 kHz
Temperature Grade:
INDUSTRIAL
Terminal Finish:
MATTE TIN
Terminal Form:
NO LEAD
Terminal Pitch:
0.65 mm
Terminal Position:
QUAD
Time@Peak Reflow Temperature-Max (s):
30
Width:
5 mm
ISL6558IRZ-TK Frequently Asked Questions (FAQs)
The recommended PCB layout for optimal performance involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. Additionally, it's recommended to use a separate power plane for the input and output voltages to reduce noise and improve stability.
To ensure stability, it's essential to follow the recommended component values and PCB layout guidelines. Additionally, make sure to decouple the input and output pins with suitable capacitors, and use a compensation network (if required) as specified in the datasheet. Also, ensure that the input and output voltage rails are well-regulated and free from noise.
The ISL6558IRZ-TK is rated for operation up to 125°C ambient temperature. However, it's essential to consider the thermal derating of the device and ensure that the junction temperature (TJ) does not exceed 150°C. Proper thermal management, such as using a heat sink or thermal pad, is recommended for high-power applications.
Yes, the ISL6558IRZ-TK is suitable for high-reliability and automotive applications. It's AEC-Q100 qualified and meets the requirements for automotive-grade devices. However, it's essential to follow the recommended design and testing guidelines to ensure the device meets the specific requirements of your application.
To troubleshoot issues with the ISL6558IRZ-TK, start by verifying the input and output voltage rails, checking for proper decoupling and compensation, and ensuring that the device is operated within its recommended specifications. Use an oscilloscope to monitor the output voltage and current, and check for any signs of oscillation or instability. If the issue persists, consult the datasheet and application notes for guidance, or contact Renesas Electronics Corporation's technical support team for assistance.
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ISL6558IRZ-TK Overview
Use the download button to access the ISL6558IRZ-TK schematic symbol, PCB footprint, and 3D model.
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