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参数资料
| 型号： | DS2756E+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 18/27页 |
| 文件大小： | 0K |
| 描述： | IC FUEL GAUGE BATT 8TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 燃料，电量检测计/监控器 |
| 电池化学： | 锂离子（Li-Ion）、锂聚合物（Li-Pol） |
| 电源电压： | 3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 8-TSSOP |
| 包装： | 带卷 (TR) |
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DS2756: High-Accuracy Battery Fuel Gauge with Programmable Suspend Mode
Table 3. SUMMARY OF SUSPEND MODES
PIE1
0
0
1
1
PIE0
0
1
0
1
SAMPLE RATE WHILE IN
SUSPEND MODE
Suspend mode disabled
2.0Hz
1.0Hz
0.5Hz
AVERAGE IDD WHILE IN SUSPEND MODE
Suspend mode disabled
(500ms × I SUSPEND ) + (90ms × I ACTIVE )
590ms
(1000ms × I SUSPEND ) + (90ms × I ACTIVE )
1090ms
(2000ms × I SUSPEND ) + (90ms × I ACTIVE )
2090ms
The desired default value should be set in bit 6 and bit 7 of address 31h. The factory default is 00b.
PMOD —Power Mode Enable. A value of 1 in this bit enables the DS2756 to enter Sleep mode or Suspend mode.
A value of 0 disables the DS2756 from entering the Sleep or Suspend mode. When PMOD is 0, only Active mode
operation is allowed. The desired default value must be set in bit 5 of address 31h. The factory default is 0.
RNAOP —Read Net Address Opcode. A value of 0 in this bit sets the opcode for the Read Net Address command
to 33h, while a 1 sets the opcode to 39h. This bit is read-only. The desired default value should be set in bit 4 of
address 31h. The factory default is 0.
UVEN —Undervoltage Sleep Enable. A value of 1 in UVEN along with a value of 1 in PMOD enables the DS2756 to
enter Sleep mode when the voltage on V IN drops below undervoltage threshold V UV for t UVD (cell depletion). A value
of 0 disables the DS2756 from entering the Sleep mode due to undervoltage events. The desired default value
must be set in bit 3 of address 31h. The factory default is 0.
IOS —Interrupt output select. IOS set to a 1 selects the DQ alarm interrupt signaling method for the Alarm
Comparator interrupt. IOS cleared to 0 selects the PIO alarm interrupt signaling method. The IE bit must be set and
PIE bits cleared to signal an Alarm Comparator interrupt using either method. The desired default value must be
set in bit 2 of address 31h. The factory default is 0.
OBEN— Offset Blanking Enable. A value of 1 in this bit location enables the offset blanking function described in
the Current Accumulation section. If set to 0, the offset blanking function is disabled. The desired default value
must be set in bit 1 of address 31h. The factory default is 0.
OVD— Overdrive Timing Enable. A value of 1 in this bit location enables the Overdrive 1-Wire timings. If set to 0,
the Regular mode timings are enabled. The desired bit value must be written to bit 1 of address 31h, (an EEPROM
block 0 location), then recalled before any change to the 1-Wire speed becomes effective. A power-on reset forces
a recall of settings from EEPROM block 0. The factory default in bit 1 of address 31h is 0 (Standard 1-Wire timing).
X —Reserved Bits.
EEPROM REGISTER
The format of the EEPROM Register is shown in Figure 16. The function of each bit is described in detail in the
following paragraphs.
Figure 16. EEPROM Register Format
Address 07h
bit 7
EEC
bit 6
LOCK
bit 5
X
bit 4
X
bit 3
X
bit 2
BL2
bit 1
BL1
bit 0
BL0
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2756EVKIT+ | 制造商:Maxim Integrated Products 功能描述:HIGH-ACCURACY BATTERY FUEL GAUGE WITH PROGRAMMABLE SUSPEND M - Boxed Product (Development Kits) |
| DS2756K | 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 |
| DS275E | 功能描述:RS-232接口集成电路 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| DS275E/T&R | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:IC TXRX LINE-PWR RS232 14-TSSOP |
| DS275E/T&R | 功能描述:RS-232接口集成电路 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
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