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参数资料
| 型号： | TPS65020RHAR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC40 |
| 封装： | GREEN, PLASTIC, QFN-40 |
| 文件页数： | 14/48页 |
| 文件大小： | 1182K |
| 代理商： | TPS65020RHAR |
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RESPWRON
VRTC
LDO
VCC
VRTC
Vref
priority
#3
priority
#2
priority
#1
EN
V_VSYSIN
V_VBACKUP
VBACKUP
V_VBACKUP
VSYSIN
V_VSYSIN
STEP-DOWN CONVERTERS, VDCDC1, VDCDC2, and VDCDC3
SLVS607B – SEPTEMBER 2005 – REVISED JULY 2007
DETAILED DESCRIPTION (continued)
A.
V_VSYSIN, V_VBACKUP thresholds: falling = 2.55 V, rising = 2.65 V 3%
B.
RESPWRON thresholds: falling = 2.4 V, rising = 2.52 V 3%
Figure 25.
The TPS65020 incorporates three synchronous step-down converters operating typically at 1.5-MHz fixed
frequency pulse width modulation (PWM) at moderate to heavy load currents. At light load currents, the
converters automatically enter the power save mode (PSM), and operate with pulse frequency modulation
(PFM). The VDCDC1 converter is capable of delivering 1.2-A output current, the VDCDC2 converter is capable
of delivering 1 A and the VDCDC3 converter is capable of delivering up to 800 mA.
The converter output voltages can be programmed via the DEFDCDC1, DEFDCDC2 and DEFDCDC3 pins. The
pins can either be connected to GND, VCC, or to a resistor divider between the output voltage and GND. The
VDCDC1 converter defaults to 3 V or 3.3 V depending on the DEFDCDC1 configuration pin. If DEFDCDC1 is
tied to ground, the default is 3 V. If it is tied to VCC, the default is 3.3 V. When the DEFDCDC1 pin is connected
to a resistor divider, the output voltage can be set in the range of 0.6 V to VINDCDC1 V. See the application
information section for more details.
The VDCDC2 converter defaults to 1.8 V or 2.5 V depending on the DEFDCDC2 configuration pin. If
DEFDCDC2 is tied to ground, the default is 1.8 V. If it is tied to VCC, the default is 2.5 V. When the DEFDCDC2
pin is connected to a resistor divider, the output voltage can be set in the range of 0.6 V to VINDCDC2 V.
The VDCDC3 converter defaults to 1.3 V or 1.55 V depending on the DEFDCDC3 configuration pin. If
DEFDCDC3 is tied to ground the default is 1.3 V. If it is tied to VCC, the default is 1.55 V. When the DEFDCDC3
pin is connected to a resistor divider, the output voltage can be set in the range of 0.6 V to VINDCDC3 V. The
core voltage can be reprogrammed via the serial interface in the range of 0.8 V to 1.6 V with a programmable
slew rate. The converter is forced into PWM operation whilst any programmed voltage change is underway,
whether the voltage is being increased or decreased. The DEFCORE and DEFSLEW registers are used to
program the output voltage and slew rate during voltage transitions.
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| TPS65020RHARG4 | 功能描述:电池管理 6-Ch Pwr Mgmt IC for Li-Ion Systems 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 |
| TPS65020RHAT | 功能描述:电池管理 6-Ch Pwr Mgmt IC for Li-Ion Systems 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 |
| TPS65020RHATG4 | 功能描述:电池管理 6-Ch Pwr Mgmt IC for Li-Ion Systems 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 |
| TPS65021EVM-110 | 功能描述:电源管理IC开发工具 TPS65021-110 Eval Mod RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| TPS65021RHAR | 功能描述:电池管理 6-Ch Pwr Mgmt IC for Li-Ion Systems 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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