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CONSONANCE CN3767RoHS

Manufacturer
CONSONANCEAsian Brands
MPN
CN3767
LCSC Part #
C81968
Packaging
SSOP-10-150mil
Customer #
Key Attributes
Lead-acid battery charging management integrated circuit with maximum power point tracking function for solar cells
Datasheetpdf iconCONSONANCE CN3767
In-Stock: 975
975 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 0.5917$ 0.59
10+$ 0.4724$ 4.72
30+$ 0.4128$ 12.38
100+$ 0.3531$ 35.31
500+$ 0.3112$ 155.60
1,000+$ 0.2935$ 293.50
Standard Packaging4000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Battery Management
ManufacturerCONSONANCE
PackagingSSOP-10-150mil
FeaturesTrickle charging;Constant current charging;Constant voltage charging;Automatic recharge;Charge termination;Programmable charging current;Overvoltage protection;Under-voltage lockout;Soft-start
Operating Temperature-40℃~+85℃
Quiescent Current52uA
0V Battery ChargeNot supported
Type of BatteryLead-Acid Battery
Operating Voltage6.6V~30V
The Chip TypeCharging IC
Interface-
Balance Current-
Charge Current - Max4A
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging4000
Sales UnitPiece

Introduction

AI Translation

CN3767 is a PWM buck-mode 12V lead-acid battery charge management IC that independently and automatically manages lead-acid battery charging, featuring a compact package, minimal external components, and ease of use.

CN3767 supports trickle charge, constant current, overcharge, and float charge modes, making it ideal for 12V lead-acid battery charging. In overcharge and float charge modes, the typical charge voltages are 14.8V and 13.55V respectively; in constant current mode, the charge current is set via an external resistor. When powered by a solar panel, the internal circuitry automatically tracks the maximum power point of the solar panel — eliminating the need to account for worst-case conditions — and maximizes the utilization of the solar panel's output power, making it well-suited for solar-powered applications. If the battery voltage drops below 75% of the configured overcharge voltage, CN3767 applies trickle charge at 17.5% of the set constant current charge level. During the overcharge phase, the charge current gradually decreases; when it falls to 38% of the constant current charge level, CN3767 transitions to float charge mode. In float charge mode, if the battery voltage drops to 83.95% of the configured overcharge voltage, a new charge cycle begins automatically. When the input power is lost or the input voltage falls below the battery voltage, CN3767 automatically enters a low-power sleep mode.

Additional features include input undervoltage lockout, battery terminal overvoltage protection, and charge status indication.

CN3767 is available in a 10-pin SSOP package.

Features

AI Translation
  • Solar panel maximum power point tracking (MPPT)
  • Wide input voltage range: 6.6V to 30V
  • Full charge management for 12V lead-acid batteries
  • Overcharge and float charge voltages: 14.8V and 13.55V respectively
  • Charge current up to 4A
  • PWM switching frequency: 300KHz
  • Constant current charge set by external resistor
  • Trickle charging for deeply discharged batteries
  • Auto-recharge function
  • Dual-status indication
  • Soft-start function
  • Battery terminal overvoltage protection
  • Operating temperature range: -40°C to +85°C
  • 10-pin SSOP package
  • Lead-free, halogen-free, RoHS compliant

Applications

AI Translation
  • Lead-acid battery charging
  • Uninterruptible power supplies
  • Backup battery applications
  • Portable industrial and medical instruments
  • Standalone battery chargers