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- Manuals
- 5
- Languages
- ZH
- Last added
- 2012-06-05
Featured Fortune manuals
Fortune Semiconductor FS3871 User Manual
The FS3871 is a lithium‑battery charge‑management IC produced by Fortune Semiconductor. It supports single‑cell (4.2 V) and dual‑cell (8.4 V) Li‑Ion or Li‑Polymer batteries and provides constant‑voltage/constant‑current charging, dynamic internal‑resistance compensation, and optional temperature monitoring.
The manual details the chip’s pin functions, internal block diagram, typical application circuits, charging stages, temperature‑monitoring method, and includes schematics for several evaluation boards (one‑cell, two‑cell, three‑cell, Bluetooth‑power, etc.) to help designers integrate the device quickly. This manual is written in Chinese.
Covers: Introduction · Applications · Internal Structure and Package · Application Circuits · Features and Specifications · Charging Curve
Fortune FS9922-DMM4 Datasheet
The FS9922-DMM4 is a dual‑mode measurement IC that combines a high‑precision ADC with an 8‑bit microcontroller. It provides a wide range of measurement functions, including voltage, current, resistance, capacitance, frequency, temperature and speed, all selectable via on‑chip pins.
The device operates from 2.4 V to 3.6 V, draws about 2 mA in active mode and as little as 5 µA in standby. Communication is available through an RS‑232 interface (2400 bps) and the unit includes LCD driver, backlight control and buzzer output. This manual is written in Chinese.
Covers: Introduction · Features · Specifications · Pin Assignment · Package Information · Application Areas
Fortune FS9922-DMM3 Datasheet
The FS9922-DMM3 is a high‑performance, low‑power 4,000‑count digital multimeter dedicated IC with an integrated 8‑bit microcontroller. It combines dual‑mode ADCs, a band‑gap reference, LCD driver, and various measurement functions such as voltage, current, resistance, capacitance, frequency, duty‑cycle, temperature, diode, and transistor testing.
The device operates from 2.4 V to 3.6 V, consumes less than 3 mA in active mode and only about 10 µA in sleep mode, and supports RS‑232 data output at 2400 bps. It is offered in a 98‑pin bare die and a 100‑pin QFP package, making it suitable for handheld and portable multimeter designs. This manual is written in Chinese.
Covers: Introduction · Features · Measurement Types · Technical Specifications · Pin Descriptions · RS232 Transmission Specification
Latest Fortune manuals
Fortune FS8856 550mA LDO Linear Regulator
The FS8856 is a low-dropout linear regulator from Fortune Semiconductor Co. It operates in the input voltage range from +2.5V to +6.5V and delivers 550mA output current. The high-accuracy output voltage is preset at an internally trimmed voltage 2.5V or 3.3V. Other output voltages can be mask-optioned from 1.3V to 5.0V with 100mV increment. The FS8856 consists of a 1.25V reference compare amplifier, and a P-channel pass transistor. Other features include short-circuit protection and thermal shutdown protection. The FS8856 devices are available in TO-92, SOT-89 and SOT-223 packages.
Fortune FS8855 Data Sheet
The FS8855 is a low-dropout linear regulator that operates in the input voltage range from +2.5V to +9.0V and delivers 500mA output current. The high-accuracy output voltage is preset at an internally trimmed voltage of 2.5V or 3.3V. Other output voltages can be mask-optioned from 1.3V to 4.5V with 100mV increment, except for FS8855-29Cx, which has a 2.85V output voltage. The FS8855 consists of a 1.25V bandgap reference, an error amplifier, and a P-channel pass transistor. Other features include short-circuit protection and thermal shutdown protection. The FS8855 devices are available in TO-92, SOT-89, and SOT-223 packages.
Fortune Semiconductor FS3871 User Manual
User Manual 17 pages · 387 KB · ZHThe FS3871 is a Fortune Semiconductor charging‑management IC for single‑cell (4.2 V) or dual‑cell (8.4 V) Li‑Ion/Li‑Poly batteries, with programmable…
Fortune FS9922-DMM4 Datasheet
Datasheet 29 pages · 736 KB · ZHThe FS9922-DMM4 is a high‑performance, low‑power 24‑bit ADC with integrated MCU, offering up to 6000 counts and multiple measurement functions.
Fortune FS9922-DMM3 Datasheet
Datasheet 30 pages · ZHThe Fortune FS9922-DMM3 datasheet provides specifications, pinout, features, and application information for the 4,000‑count digital multimeter IC.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Datasheet
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in Fortune manuals
What battery voltage range does the FS3871 support?
It can charge single‑cell (4.2 V) or dual‑cell (8.4 V) Li‑Ion and Li‑Polymer batteries.
How is the charging current set on the FS3871?
The charging current is programmed by connecting a resistor (Rsns) to the SNS pin.
What is the operating voltage range of the FS9922-DMM4?
It operates from 2.4 V to 3.6 V.
How much current does the device draw in active mode?
The active supply current is about 2 mA.
What is the automatic shutdown time for the FS9922-DMM3?
The device enters sleep mode after 15 minutes of inactivity, and this feature can be disabled.
What is the RS232 transmission speed?
RS232 data is transmitted at 2400 bps.