Overview
The TPS70102PWP is a dual-channel low-dropout (LDO) voltage regulator produced by Texas Instruments. This device is designed to provide a complete power management solution, particularly for Digital Signal Processor (DSP) applications, as well as for other digital systems such as ASICs, FPGAs, and processors. It features dual regulated output voltages with power-up sequencing, making it ideal for split-voltage DSP systems. The regulator is packaged in a 20-pin HTSSOP (PWP) package and operates over a temperature range of -40°C to 125°C.
Key Specifications
| Parameter | Description |
|---|---|
| Category | Power Management (PMIC)/Voltage Regulators - Linear, Low Drop Out (LDO) Regulators |
| Manufacturer | Texas Instruments |
| Package | HTSSOP-20-EP |
| Output Current (Max) | 500mA (Regulator 1), 250mA (Regulator 2) |
| Quiescent Current (Typ) | 190µA |
| Noise | 65µVrms |
| Operating Temperature Range | -40°C to 125°C |
| Output Voltage Options | Fixed: 1.2V, 1.5V, 1.8V, 2.5V, 3.3V; Adjustable |
| Input Voltage Range | 2.7V to 6V |
| Dropout Voltage (Typ) | 170mV |
| Thermal Resistance (θJA) | 74°C/W |
| Power-Up Sequencing | Selectable |
| Power Good and Reset | Open Drain Power-On Reset, Open Drain Power Good for Regulator 1 |
Key Features
- Dual Output Voltages for Split-Supply Applications
- Selectable Power-Up Sequencing for DSP Applications
- Fast Transient Response
- Voltage Options: Fixed (1.2V, 1.5V, 1.8V, 2.5V, 3.3V) and Adjustable Outputs
- Open Drain Power-On Reset with 120ms Delay
- Open Drain Power Good for Regulator 1
- Ultra Low 190µA (typ) Quiescent Current
- Low Noise: 65µVrms Without Bypass Capacitor
- Quick Output Capacitor Discharge Feature
- Two Manual Reset Inputs
- 2% Accuracy Over Load and Temperature
- Undervoltage Lockout (UVLO) Feature
- Thermal Shutdown Protection
Applications
The TPS70102PWP is designed primarily for DSP applications, particularly those requiring dual output voltage regulators with power-up sequencing. It is also suitable for other digital systems such as:
- ASICs (Application-Specific Integrated Circuits)
- FPGAs (Field-Programmable Gate Arrays)
- Processors and other digital applications where high-performance power management is necessary
Q & A
- What is the TPS70102PWP used for?
The TPS70102PWP is a dual-channel LDO voltage regulator used primarily for DSP applications and other digital systems requiring high-performance power management.
- What are the output current capabilities of the TPS70102PWP?
The device can support up to 500mA on Regulator 1 and up to 250mA on Regulator 2.
- What are the available output voltage options for the TPS70102PWP?
The device offers fixed output voltages of 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V, as well as adjustable output options.
- What is the operating temperature range of the TPS70102PWP?
The device operates over a temperature range of -40°C to 125°C.
- Does the TPS70102PWP have power-up sequencing capabilities?
Yes, the device features selectable power-up sequencing for DSP applications.
- What is the quiescent current of the TPS70102PWP?
The quiescent current is typically 190µA.
- Does the TPS70102PWP have thermal protection?
Yes, the device includes thermal shutdown protection.
- How does the power good and reset function work on the TPS70102PWP?
The device features an open drain power-on reset with a 120ms delay and an open drain power good output for Regulator 1.
- What is the dropout voltage of the TPS70102PWP?
The typical dropout voltage is 170mV.
- Is the TPS70102PWP RoHS compliant?
Yes, the device is RoHS compliant.
