TPS61151 数据表
TPS61151 描述
The TPS61150/1 is a high-frequency boost converter with two regulated current outputs for driving WLEDs. Each current output can be individually programmed through external resistors. There is a dedicated selection pin for each output, so the two outputs can be turned on separately or simultaneously. The output current can be reduced by a pulse width modulation (PWM) signal on the select pins or an analog voltage on the ISET pins, resulting in PWM dimming of the WLEDs. The boost regulator runs at a 1.2-MHz fixed switching frequency to reduce output ripple and avoid audible noises associated with PFM control.
The two current outputs are ideal for driving WLED backlights for the sub- and main displays in clamshell phones
|
TPS61150 |
TPS61150A |
TPS61151 |
| Topology |
Boost |
Boost |
Boost |
| Type |
Inductive |
Inductive |
Inductive |
| Vin(Min)(V) |
3 |
2.5 |
3 |
| Vin(Max)(V) |
6 |
6 |
6 |
| Switch Current Limit(Typ)(A) |
0.7 |
0.7 |
0.7 |
| Output Voltage(Max)(V) |
27 |
27 |
27 |
| Switching Frequency(Max)(kHz) |
1200 |
1200 |
1200 |
| LED(#) |
2 x 6 |
2 x 6 |
2 x 6 |
| LED Configuration |
2x Series |
2x Series |
2x Series |
| Over-Voltage Protection(Min)(V) |
27 |
28 |
22 |
| Peak Efficiency(%) |
85 |
83 |
85 |
| Iq(Typ)(mA) |
2 |
2 |
2 |
| Operating Temperature Range(°C) |
-40 to 85 |
-40 to 85 |
-40 to 85 |
| Pin/Package |
10SON |
10SON |
10SON |
| Iout(Max)(A) |
0.035 |
0.034 |
0.035 |
| Regulated Outputs(#) |
2 |
2 |
2 |
TPS61151 特性
- 2.5-V to 6-V Input Voltage Range
- Two Outputs Each up to 27 V
- 0.7-A Integrated Switch
- Built-In Power Diode
- 1.2-MHz Fixed PWM Frequency
- Individually Programmable Output Current
- Input-to-Output Isolation
- Built-In Soft Start
- Overvoltage Protection
- Up to 83% Efficiency
- Up to 30-kHz PWM Dimming Frequency
- Available in a 10-Pin, 3- × 3-mm QFN Package
- APPLICATIONS
- Sub and Main Display Backlight in Clam Shell Phones
- Display and Keypad Backlight
- Up to 14 WLED Driver
TPS61151 芯片订购指南
| 器件 |
状态 |
温度 |
价格（美元） |
封装 | 引脚 |
封装数量 | 封装载体 |
丝印标记 |
| TPS61151DRCR |
ACTIVE |
-40 to 85 |
1.25 | 1ku |
SON (DRC) | 10 |
3000 | LARGE T&R |
BCQ |
| TPS61151DRCRG4 |
ACTIVE |
-40 to 85 |
1.25 | 1ku |
SON (DRC) | 10 |
3000 | LARGE T&R |
BCQ |
| TPS61151DRCT |
ACTIVE |
|
1.40 | 1ku |
SON (DRC) | 10 |
250 | SMALL T&R |
BCQ |
| TPS61151DRCTG4 |
ACTIVE |
|
1.40 | 1ku |
SON (DRC) | 10 |
250 | SMALL T&R |
BCQ |
TPS61151 质量与无铅数据
| 器件 |
环保计划* |
铅/焊球涂层 |
MSL 等级/回流焊峰 |
环保信息与无铅 (Pb-free) |
DPPM / MTBF / FIT 率 |
| TPS61151DRCR |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
|
TPS61151DRCR |
| TPS61151DRCRG4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
TPS61151DRCRG4 |
TPS61151DRCRG4 |
| TPS61151DRCT |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
|
TPS61151DRCT |
| TPS61151DRCTG4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
TPS61151DRCTG4 |
TPS61151DRCTG4 |
TPS61151 应用技术支持与电子电路设计开发资源下载
- TPS61151 数据资料 dataSheet 下载.PDF
- TI 德州仪器非隔离式开关 DC/DC 调节器选型与价格参考 . xls
- Dual MOSFET Driver
(PDF 498 KB)
- 全面认识开关型电源中的BUCK-BOOST功率级 (Rev. A)
(PDF 2206 KB)
- Understanding Boost Power Stages In Switchmode Power Supplies
(PDF 149 KB)
- Understanding Buck Power Stages In Switchmode Power Supplies
(PDF 173 KB)
- 标准线性产品交叉参考 (Rev. D)
(PDF 1058 KB)
- 模数规格和性能特性术语表 (Rev. A) (PDF 1993 KB)
- 所选封装材料的热学和电学性质 (PDF 645 KB)
- 高速数据转换 (PDF 1967 KB)
TPS61151 相关工具