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参数资料
| 型号： | DS2436B |
| 厂商： | DALLAS SEMICONDUCTOR |
| 元件分类： | Memory IC:Other |
| 英文描述： | SPECIALTY MEMORY CIRCUIT, PBCY3 |
| 封装： | TO-92, 3 PIN |
| 文件页数： | 12/29页 |
| 文件大小： | 505K |
| 代理商： | DS2436B |
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DS2436
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DETAILED PIN DESCRIPTION
SYMBOL
DESCRIPTION
GND
Ground pin
DQ
Data input/output pin for 1-Wire communication port
VDD
Supply Pin- input power supply (battery connection)
NC
No Connect
OVERVIEW
The block diagram of Figure 1 shows the major components of the DS2436. The DS2436 has seven
major data components: 1) 64-bit lasered ROM ID, 2) Scratchpad Memory, 3) Nonvolatile Memory, 4)
On-board SRAM, 5) Temperature sensor, 6) Battery voltage A/D converter, and 7)16-bit Manufacturer
ID Register.
Communication to the DS2436 is via a 1-Wire port. With the 1-Wire port, the memory and control
functions will not be available until the ROM function protocol has been established. The master must
first provide one of four ROM function commands: 1) Read ROM, 2) Match ROM, 3) Search ROM, or 4)
Skip ROM. These commands operate on the 64-bit ROM ID portion of each device and can identify a
specific device if many are present on the 1-Wire line as well as indicate to the bus master how many and
what types of devices are present. After a ROM function sequence has been successfully executed, the
memory and control functions are accessible. The master may then provide any one of the fifteen memory
and control function commands.
Access to the DS2436 memory is through the 1-Wire interface and scratchpad memory. Charging
parameters and other data such as battery chemistry, fuel gauge information, and other user data may be
stored in the DS2436, allowing this information to be permanently stored in the battery pack.
PARASITE POWER
The ID ROM registers and memory of the DS2436 can be read even when the battery is completely
discharged by using parasite-powered operation. When parasite powered, the DS2436 “steals” power
from the DQ line whenever it is high. DQ will provide sufficient power for read operations as long as
specified timing and voltage requirements are met (see the section titled “1-Wire Bus System”).
相关PDF资料 |
PDF描述 |
|---|---|
| DS2436Z | SPECIALTY MEMORY CIRCUIT, PDSO8 |
| DS2490S | UNIVERSAL SERIAL BUS CONTROLLER, PDSO24 |
| DS2502P | 128 X 8 OTPROM, PDSO6 |
| DS2502S | 128 X 8 OTPROM, PDSO8 |
| DS2502 | 128 X 8 OTPROM, PBCY3 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2436B/R | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Battery ID/Monitor Chip |
| DS2436B/T | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Battery ID/Monitor Chip |
| DS2436B/T&R | 制造商:Maxim Integrated Products 功能描述:BATTERY MONITOR TO-92 T&R - Tape and Reel |
| DS2436B/T&R | 功能描述:电池管理 RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| DS2436B+ | 功能描述:电池管理 RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
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