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KP1601X
KP1601X High-precision, deep dimming quasi-resonant buck LED constant current power switch KP1601X is a highly integrated buck LED constant current power switch for LED backlight applications. The chip adopts a quasi-resonant working mode and integrates accurate inductor current zero-crossing detection, achieving high efficiency while obtaining good EMI performance. KP1601X integrates PWM dimming function, which can use PWM to analog dimming, direct PWM chopping dimming, and combined dimming, realizing a wide dimming range of 0.01~100%. The chip integrates high-precision current sampling technology and accurate current zero-crossing detection, combined with internal compensation, to obtain high-precision dimming linearity and consistency. KP1601X integrates a power MOSFET, simplifying system design and production costs. KP1601X integrates complete protection functions to ensure safe and reliable system operation, such as: VDD undervoltage protection (UVLO), LED open circuit protection, LED short circuit protection, LED short circuit to ground protection, inductor and diode short circuit protection, CS open circuit and CS short circuit to Drain protection, cycle-by-cycle current limit (OCP), overtemperature protection (OTP), leading edge blanking (LEB), etc.
Category：
- Product Description
-
- Commodity name: KP1601X
- 封装: SOP-8
- 品牌: Biyi Microelectronics
KP1601X High-precision, deep dimming quasi-resonant buck LED constant current power switch KP1601X is a highly integrated buck LED constant current power switch for LED backlight applications. The chip adopts a quasi-resonant working mode and integrates accurate inductor current zero-crossing detection, achieving high efficiency while obtaining good EMI performance. KP1601X integrates PWM dimming function, which can use PWM to analog dimming, direct PWM chopping dimming, and combined dimming, realizing a wide dimming range of 0.01~100%. The chip integrates high-precision current sampling technology and accurate current zero-crossing detection, combined with internal compensation, to obtain high-precision dimming linearity and consistency. KP1601X integrates a power MOSFET, simplifying system design and production costs. KP1601X integrates complete protection functions to ensure safe and reliable system operation, such as: VDD undervoltage protection (UVLO), LED open circuit protection, LED short circuit protection, LED short circuit to ground protection, inductor and diode short circuit protection, CS open circuit and CS short circuit to Drain protection, cycle-by-cycle current limit (OCP), overtemperature protection (OTP), leading edge blanking (LEB), etc.
Main Features
• PWM to analog and PWM chopping combined dimming
• 0.01%~100% wide dimming range
• Low standby current 35μA
• High efficiency operation in quasi-resonant mode
• Accurate zero-current detection
• ±2% constant current accuracy @100% current
• Integrated power MOSFET
• Soft drive and zero-current turn-on improve EMI
• SOP-8 package
• Internal protection functions:
• LED open circuit protection
• LED short circuit and LED- to GND short circuit protection
• Inductor and diode short circuit protection
• CS open circuit protection
• Drain to CS short circuit protection
• VDD undervoltage protection (UVLO)
• Cycle-by-cycle current limiting (OCP)
• Leading edge blanking (LEB)
• Overtemperature protection (OTP)
Product Model
Topology
Operating Mode
Supply Voltage (V)
MOS Withstand Voltage (V)
On-Resistance (Ω)
Dimming Method
Dimming Depth
Recommended Output Power (W)
Package
KP16014
Buck
Critical Conduction
9~30
100
0.06
PWM/PWM to Analog
0.01%
<75
SOP-8
KP16015
Buck
Critical Conduction
9~30
150
0.5
PWM/PWM to Analog
0.01%
<70
SOP-8
Product Message
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Official Account
E-mail：
Company Address：
Room 819, Dongmei Building, Xiangnan Three District, Minqiang Community, Minzhi Street, Longhua District, Shenzhen
