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硅天下科技-Wearable Charge Management Solution Ext-MAX14676, MAX14676A
The MAX14676/MAX14676A are battery-charge-management solutions ideal for low-power wearable applications.
地址：深圳市福田區(qū)紅荔路38號(hào)群星廣場(chǎng)大廈1807
電話：13724212401、0755-28772011(聯(lián)系就說在DAV音視工程網(wǎng)上看到的)
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| 硅天下科技 | 13724212401、0755-28772011 | 面議 |
MAX14676, MAX14676A
Wearable Charge Management Solution
Extend Battery Life of Wearable Electronics
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概述
參數(shù)規(guī)格
設(shè)計(jì)資源
質(zhì)量與環(huán)境
訂購
說明
The MAX14676/MAX14676A are battery-charge-management solutions ideal for low-power wearable applications. These devices include a linear battery-charger with a Smart Power Selector™, ModelGauge™ fuel gauge, and several power-optimized peripherals. They feature an ultra-low-power buck regulator with a quiescent current of 900nA (typical) and 74% efficiency with 10μA output.
The battery charger features Smart Power Selector operation, allowing operation with dead battery. It limits input current based on a register setting. If the charger power source is unable to supply the entire system load, the smart power control circuit will supplement the system load with current from the battery.
負(fù)責(zé)人：張超
手機(jī):137 2421 2401 QQ：820270087 郵箱：820270087@qq.com
The MAX14676/MAX14676A embed a Maxim proprietary ModelGauge fuel gauge to provide an accurate estimate of the available capacity for rechargeable lithium batteries.
The MAX14676/MAX14676A include a synchronous high-efficiency step-down converter. The device features a fixed-frequency PWM mode for tighter regulation, and a burst mode for increased efficiency during light-load operation.
The MAX14676/MAX14676A have a boost regulator and three programmable current sinks that can be used to drive a variety of LED configurations. The boost converter is controlled independently from the current sinks, and they can be also used separately.
The MAX14676/MAX14676A feature a power switch controller that allows the device to be turned on and off by a pushbutton. This controller also provides a delayed reset signal and voltage sequencing.
These devices are available in a 42-bump, 0.5mm pitch, 3.497mm x 3.118mm wafer-level package (WLP).
關(guān)鍵特性
Extend System Use Time Between Battery Charging
1.8V Low-IQ 200mA Buck Regulator
0.9μA (typ) Quiescent Current
Automatic Burst or Forced-PWM Modes
ModelGauge with Accurate State-of-Charge
Easy-to-Implement Li+ Battery Charging
Smart Power Selector
28V Tolerant Input
Thermistor Monitor
Minimize Power-Management Footprint though High Integration
3.2V Low-IQ 100mA LDO
2.0V Always-On 50μA LDO
+5V Safe Output LDO
6.6V Low-IQ 120μA Charge Pump
Support a Wide Variety of Display Options
5V to 17V Output Boost Converter
3-Channel Adjustable High-Voltage Current Sinks
Optimize System Control
Pushbutton to Enable Ultra-Low-Power Mode and Power-On Voltage Sequencing
I2C Control
應(yīng)用
健身監(jiān)測(cè)器
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便攜式醫(yī)療設(shè)備
可穿戴電子產(chǎn)品
相關(guān)資料
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技術(shù)文檔
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