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BQ24297 参数 Datasheet PDF下载

BQ24297图片预览
型号: BQ24297
PDF下载: 下载PDF文件 查看货源
内容描述: I2C控制3A单节USB充电器 [I2C Controlled 3A Single Cell USB Charger]
分类和应用:
文件页数/大小: 48 页 / 1390 K
品牌: TI [ TEXAS INSTRUMENTS ]
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bq24296  
bq24297  
www.ti.com  
SLUSBP6A SEPTEMBER 2013REVISED OCTOBER 2013  
Figure 3. I2C-Compatible Interface Timing Diagram  
TYPICAL CHARACTERISTICS  
Table 1. Tables of Figures  
FIGURE NO.  
Figure 4  
CHARGING EFFICIENCY vs. CHARGING CURRENT (DCR = 10mΩ)  
SYSTEM EFFICIENCY vs. SYSTEM LOAD CURRENT (DCR = 10mΩ)  
BOOST MODE EFFICIENCY vs VBUS LOAD CURRENT (DCR = 10mΩ)  
SYS VOLTAGE REGULATION vs SYSTEM LOAD CURRENT  
Figure 5  
Figure 6  
Figure 7  
BOOST MODE VBUS VOLTAGE REGULATION (Typical Output = 4.998V ; REG06[7:4]=0111) vs VBUS  
LOAD CURRENT  
Figure 8  
SYS VOLTAGE vs TEMPERATURE  
Figure 9  
Figure 10  
Figure 11  
Figure 12  
Figure 13  
Figure 14  
Figure 15  
Figure 16  
Figure 17  
Figure 18  
Figure 19  
Figure 20  
Figure 21  
Figure 22  
Figure 23  
BAT VOLTAGE vs TEMPERATURE  
INPUT CURRENT LIMIT vs TEMPERATURE  
CHARGE CURRENT vs PACKAGE TEMPERATURE  
bq24296 Power Up with Charge Enabled (VBAT =3.2V)  
bq24297 Power Up with Charge Enabled (VBAT =3.2V)  
bq24297 Power Up with Charge Disabled (VBAT =3.2V)  
Charge Enable (VBUS = 5V)  
Charge Disable  
PWM Switching in Buck Mode (VBUS = 5V, No Battery, ISYS = 40mA, Charge Disable)  
PFM Switching in Buck Mode (VBUS = 5V, VBAT = 3.6V, ICHG = 2.5A)  
Input Current DPM Response Without Battery (VBUS = 5V, IIN = 3A, No Battery, Charge Disable  
Load Transient During Supplement Mode (VBUS = 5V, IIN = 1.5A, VBAT = 3.8V)  
Boost Mode Switching (VBAT = 3.8V, ILOAD = 1A)  
Boost Mode Load Transient (VBAT = 3.8V)  
Copyright © 2013, Texas Instruments Incorporated  
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