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参数资料
| 型号： | MAX6789TB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 12/17页 |
| 文件大小： | 0K |
| 描述： | IC BATT MON QUAD 5% 10TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 电池监控器 |
| 电池化学： | 碱性，锂离子，镍镉，镍金属氢化物 |
| 电源电压： | 1.2 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
Low-Power, 1% Accurate, Dual-/Triple-/Quad-Level
Battery Monitors in Small TDFN and TQFN Packages
V TH+
V TH-
IN_
CLEAR
OV
t PD
OV
Figure 5. MAX6789/MAX6790 Timing
MAX6782–MAX6785 Hysteresis
Factory-Set Hysteresis
The MAX6782–MAX6785 have factory-set hysteresis for
ease of use and reduced external parts count. For
these devices the absolute hysteresis voltage is a per-
centage of the internally generated reference. The
amount depends on the device option. “A” devices
have 0.5% hysteresis, “B” devices have 5% hysteresis,
and “C” devices have 10% hysteresis. Table 2 presents
the threshold voltages for devices with factory-set hys-
teresis. For factory-set hysteresis, connect HADJ_ to
GND.
Table 2. Typical Falling and Rising
Thresholds for MAX6782–MAX6785
(HADJ_ = GND)
t CLD
Externally Adjusted Hysteresis
The MAX6782–MAX6785 can also be configured for
externally adjustable hysteresis. Connect a resistive
divider from REF to HADJ_ and to GND (Figure 6) to set
the hysteresis voltage. The hysteresis adjustment range
is from 0.4V to V REF , and the voltage at HADJ_
(V HADJ_ ) must be set higher than Hysteresis
Adjustment Logic High (V HALH ) (Figure 4b). Note that if
V HADJ_ is lower than Hysteresis Adjustment Logic Low
(V HALL ), these devices switch back to the internal fac-
tory-set hysteresis (Figure 4a).
MAX6786/MAX6787/MAX6788 Adjustable
Hysteresis
The MAX6786/MAX6787/MAX6788 offer external hystere-
sis control through the resistive divider that monitors bat-
tery voltage. Figure 2 shows the connections for external
hysteresis. See Calculating an External Hysteresis
DEVICE
OPTION
A
B
C
PERCENT
HYSTERESIS
(%)
0.5
5
10
FALLING
THRESHOLD
(V INF ) (V)
0.6055
0.5781
0.5477
RISING
THRESHOLD
(V INR ) (V)
0.6085
0.6085
0.6085
Resistive Divider (MAX6786/MAX6787/MAX6788) section
for more information.
12
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6790TB+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX6790TB+T | 功能描述:电池管理 Quad 1%-Accurate Battery Monitor 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 |
| MAX6791EVKIT | 功能描述:低压差稳压器 - LDO Evaluation Kit for the MAX6791 RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MAX6791EVKIT+ | 制造商:Maxim Integrated Products 功能描述:- Boxed Product (Development Kits) |
| MAX6791TPLD0+ | 功能描述:线性稳压器 - 标准 Dual uPower Linear RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
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