SPV1040
Synchronous Step-Up ConverterThe SPV1040 is a synchronous step-up converter from STMicroelectronics. View the full SPV1040 datasheet below including key specifications, electrical characteristics.
Official SPV1040 datasheet (PDF) — the source this page was extracted from.
SPV1040 Key Specifications
| Parameter | Value |
|---|---|
| Fault Protection | Over Current, Over Temperature |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Package / Case | 8-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 8-TSSOP |
| Input Voltage (Max) | 5.5V |
SPV1040 Overview
Part: SPV1040 — STMicroelectronics
Type: High efficiency solar battery charger with embedded MPPT
Description: Low power, low voltage, monolithic step-up converter with 0.3 V to 5.5 V input, capable of maximizing energy from solar cells with an embedded MPPT algorithm, up to 1.8 A maximum inductor current, and 95% efficiency.
Operating Conditions:
- Supply voltage: 0.3 V to 5.5 V
- Operating temperature: -40 to 125 °C
- Output voltage range: 2 to 5.2 V
Absolute Maximum Ratings:
- Max supply voltage (VOUT): 5.5 V
- Max junction operating temperature: 125 °C
- Max storage temperature: 150 °C
Key Specs:
- N-channel power switch ON resistance: 120 mΩ
- P-channel synchronous rectifier ON resistance: 140 mΩ
- PWM signal frequency: 100 kHz (Typ.)
- Quiescent current: 60 μA (Typ.)
- Shutdown current: 0.7 μA (Typ.)
- Maximum inductor current peak: 1.8 A (Max.)
- Maximum output power: 3 W
- Overtemperature threshold for turn OFF: 155 °C (Typ.)
Features:
- 0.3 V to 5.5 V operating input voltage
- 140 mΩ internal synchronous rectifier
- 120 mΩ internal power active switch
- 100 kHz fixed PWM frequency
- Duty cycle controlled by MPPT algorithm
- Output voltage regulation, overcurrent and overtemperature protection
- Input source reverse polarity protection
- Built-in soft-start
- Up to 95% efficiency
Applications:
- Smart phones and GPS systems
- Wireless headsets
- Small appliances, sensors
- Portable media players
- Digital still cameras
- Toys and portable healthcare
Package:
- TSSOP8 (3x4.4 mm)
SPV1040 Features
- 0.3 V to 5.5 V operating input voltage
- 140 mΩ internal synchronous rectifier
- 120 mΩ internal power active switch
- 100 kHz fixed PWM frequency
- Duty cycle controlled by MPPT algorithm
- Output voltage regulation, overcurrent and overtemperature protection
- Input source reverse polarity protection
- Built-in soft-start
- Up to 95% efficiency
- TSSOP8 package 3x4.4 mm
SPV1040 Applications
- Smart phones and GPS systems
- Wireless headsets
- Small appliances, sensors
- Portable media players
- Digital still cameras
- Toys and portable healthcare
TSSOP8
SPV1040 Pin Configuration
Table 2: Pin description
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | MPP-SET | I | Non-inverting input to sense the PV cell voltage. It cannot be left floating. |
| 2 | GND | Ground | Power ground reference. |
| 8 | XSHUT | I | Shutdown input pin: XSHUT = low, the device in power off mode. XSHUT = high, the device is enabled for operating mode. This pin cannot be left floating. |
| 3 | LX | I | Booster inductor connection. |
| 7 | ICTRL_PLUS | I | Non-inverting input of constant current control loop. It cannot be left floating. |
| 6 | ICTRL_MINUS | I | Inverting input of constant current control loop. It cannot be left floating. |
| 5 | VCTRL | I | Inverting input of constant current control loop. It cannot be left floating. |
| 4 | VOUT | O | Booster output voltage. |
Figure 3: Pin connection top view
Table 2: Pin description
SPV1040 Electrical Characteristics
VMPP-SET = 0.5 V, VCTRL = Ictrl+ = Ictrl- = GND, XSHUT = 0.5 V, TJ = -40 °C to 125 °C, unless otherwise specified.
Table 5: Electrical characteristics
| Symbol | Parameter | Test conditions | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|---|
| Input source section | Input source section | Input source section | Input source section | Input source section | Input source section | Input source section |
| V MPP-SET | Low boost voltage threshold | V OUT = 3.3 V | 0.4 | 0.45 | 0.50 | V |
| I q | Quiescent current | I LOAD = 0 mA, V CTRL = 2 V, V OUT = 3.3 V | 60 | 80 | ||
| I SD | Shutdown current | V OUT = 3.3 V, V CTRL = 2 V, I LOAD = 0 mA, XSHUT = GND | 0.7 | 5 | μA | |
| I rev | Reverse input source current | V MPP-SET = -4 V, V OUT = 1.5 V | 1 | 5 | ||
| V UVLO | Undervoltage lockout threshold for turn ON @V OUT = 3.3 V | V MPP-SET increasing | 0.27 | 0.34 | ||
| V UVLO | Undervoltage lockout threshold for turn OFF @V OUT = 3.3 V | V MPP-SET decreasing | 0.14 | 0.24 | V | |
| Power section | Power section | Power section | Power section | Power section | Power section | Power section |
| R DS(on) -N | N-channel power switch ON resistance | 120 | mΩ | |||
| R DS(on) -P | P-channel synchronous rectifier ON resistance | V CTRL = 2 V | 140 | |||
| Control section | Control section | Control section | Control section | Control section | Control section | Control section |
| V MPPT-THR | MPPT-mode threshold | V OUT increasing, V MPP-SET = 1.5 V | 1.7 | 1.8 | 2 | V |
| V OUT | Output voltage range | V MPP-SET ≥ 1.5 V | 2 | 5.2 (1) | V | |
| P OUT (2) | Maximum output power | V MPP-SET ≥ 1.5 V | 3 | W | ||
| I LX | Maximum inductor current peak | 1.5 | 1.65 | 1.8 | A | |
| F PWM | PWMsignal frequency | 70 | 100 | 130 | kHz | |
| V REF | Internal V CTRL reference voltage | V OUT ≥ 1.8 V, V CTRL increasing | 1.2 | 1.25 | 1.3 | V |
| V ICTRL | Sensing current offset | I CTRL+ - I CTRL- decreasing | 40 | 50 | 60 | mV |
| XSHUT logic low | XSHUT increasing | 0.27 | 0.34 | |||
| XSHUT | XSHUT logic High | XSHUT decreasing | 0.14 | 0.24 | V |
Table 5: Electrical characteristics
Thermal shutdown
SPV1040 Package Information
In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK ® packages, depending on their level of environmental compliance. ECOPACK ® specifications, grade definitions and product status are available at: www.st.com . ECOPACK ® is an ST trademark.
Variants on the same datasheet
These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.
| Part Number | Manufacturer | Package |
|---|---|---|
| SPV1040T | STMicroelectronics | 8-TSSOP (0.173", 4.40mm Width) |
| SPV1040TTR | STMicroelectronics | TSSOP-8 |
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All Integrated Circuits datasheetsAll STMicroelectronics datasheets (808)
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