--- 產(chǎn)品詳情 ---
Regulated outputs (#) | 9 |
Vin (Min) (V) | 1.5 |
Vin (Max) (V) | 5.5 |
Iout (Max) (A) | 10 |
Rating | Catalog |
LDO | 1 |
Iq (Typ) (mA) | 0.001 |
Features | Power Sequencing |
Processor name | Generic |
Processor supplier | Generic |
Shutdown current (ISD) (Typ) (uA) | 20 |
Switching frequency (Typ) (kHz) | 750 |
Configurability | Hardware configurable, User programmable |
- 8-Channel DC/DC Converters and LDO
- Integrated Power MOSFET Switch Except CH8
- Boost (CH5/7)
- Buck (CH1/3)
- Buck-Boost (CH2/4)
- Invert (CH6)
- Low-Power Suspend Mode (Sleep Mode)
- Power ON/OFF Sequence (CH1/2/3 and CH5/6)
- LED-Back Light Brightness Control (CH7)
- Fixed Switching Frequency (CH1–4: 1.5 MHz, CH5–8: 750 kHz)
- Fixed Max Duty Cycle Internally
- Soft Start
- Undervoltage Lockout (UVLO)
- Protection
- Thermal Shutdown (TSD)
- Overvoltage Protection (OVP)
- Overcurrent Protection (OCP) Except CH8
- Supply Voltage Range: 1.5 V to 5.5 V
- Operating Temperature Range: –25°C to 85°C
- 6 × 6 mm, 0.4-mm Pitch, 48-Pin QFN Package
- APPLICATIONS
- Digital Still Cameras (DSCs)
- Portable Electronics Equipment
PowerPAD is a trademark of Texas Instruments.
The TPS65530 is highly integrated 8-channel switching dc/dc converter, and seven channels have integrated power FET.
CH2/4 are configured for H bridge for buck-boost topology and single inductor supports. These channels achieve higher efficiency in spite of input/output voltage conditions.
CH7 has a brightness control and drives white LED by constant current. Also, CH7 supports overvoltage protection for open load.
CH1/2/3 has power ON/OFF sequence suitable for a digital still camera (DSC) system. CH5/6 has a power ON/OFF sequence, depending on the CCD. Power ON/OFF for CCD block (CH5/6) is selectable by the input voltage level at the SEQ56 pin. CH4 and CH7 have individual ON/OFF sequences.
The TPS65530 high switching frequency is achieved by an integrated power MOSFET switch. It reduces external parts dynamically. Shutdown current consumption is less than 1 μA as a typical value.
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