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CN302
Overview CN302 is a low-power battery voltage detection chip with adjustable hysteresis, especially suitable for voltage detection of single or multiple lithium batteries, multiple alkaline batteries, nickel-cadmium batteries, nickel-metal hydride batteries, and multiple lead-acid batteries. The upper threshold and lower threshold of CN302 can be set independently for easy hysteresis setting. When the battery voltage is lower than the set lower threshold, the CN302 pin outputs a low level, and the LBO pin outputs a high level; when the battery voltage is higher than the upper threshold, the CN302 pin outputs a high level, and the LBO pin outputs a low level. The voltage difference between the lower threshold and the upper threshold is the hysteresis. Hysteresis can eliminate the detection output disorder caused by the instability of the battery voltage due to the noise of the detected power supply or the sudden change of the load. CN302 uses a 6-pin SOT23 package and has an operating temperature range of -40°C ~ +85°C.
Category：
- Product Description
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- Commodity name: CN302
- 封装: SOT23-6
- 品牌: Ruyun Electronics
Overview CN302 is a low-power battery voltage detection chip with adjustable hysteresis, especially suitable for voltage detection of single or multiple lithium batteries, multiple alkaline batteries, nickel-cadmium batteries, nickel-metal hydride batteries, and multiple lead-acid batteries. The upper threshold and lower threshold of CN302 can be set independently for easy hysteresis setting. When the battery voltage is lower than the set lower threshold, the CN302 pin outputs a low level, and the LBO pin outputs a high level; when the battery voltage is higher than the upper threshold, the CN302 pin outputs a high level, and the LBO pin outputs a low level. The voltage difference between the lower threshold and the upper threshold is the hysteresis. Hysteresis can eliminate the detection output disorder caused by the instability of the battery voltage due to the noise of the detected power supply or the sudden change of the load. CN302 uses a 6-pin SOT23 package and has an operating temperature range of -40°C ~ +85°C.
Product Parameters
Main Functions: Low-power battery voltage detection chip with adjustable hysteresis
Output Voltage Range: 1.9V-6V
Input Voltage Range: 1.9V-6V
Operating Current: 9.5uA (VCC=3V)
Package Type: SOT23-6
Detection Threshold: External Resistor Setting
Threshold Accuracy: ±1%
Hysteresis: External Resistor Setting
Delay : Rising: 12us; Falling: 13us
Applications
l Battery-powered systems
l Single-cell or multi-cell lithium battery detection
l Multi-cell alkaline, NiCd, and NiMH battery detection
l Multi-cell lead-acid battery detection
Features
l Threshold detection accuracy: ±2%
l Hysteresis eliminates detection output disturbances
l Hysteresis is adjustable
l CMOS output
l Provides low-active and high-active detection outputs
l Operating current 9.5µA at VCC=3V
l Short-term power transient filtering function
l Operating temperature range: -40°C to +85°C
l Package: 6-pin SOT23
l Lead-free product, RoHS compliant, halogen-free
Product Message
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Official Account
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Company Address：
Room 819, Dongmei Building, Xiangnan Three District, Minqiang Community, Minzhi Street, Longhua District, Shenzhen
