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NXP Semiconductors PCA9622BS,118
- Part No.:
- PCA9622BS,118
- Manufacturer:
- NXP Semiconductors
- Category:
- LED Drivers
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
PCA9622BS,118.pdf
- Description:
- IC LED DRV LIN PWM 100MA 32HVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,240
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Product details
Overview
PCA9622BS,118 from NXP Semiconductors is a 16-channel I²C-bus LED driver with open-drain 100 mA outputs rated to 40 V, supporting individual 97 kHz PWM brightness control (256 steps) and group dimming/blinking (190 Hz fixed or 24 Hz–10.73 s programmable). It operates from 2.3 V to 5.5 V and enables synchronized RGB/RGBA LED control in compact displays and status indicators.
For engineers reviewing the PCA9622BS,118 datasheet, PCA9622BS,118 pinout, PCA9622BS,118 application, or PCA9622BS,118 equivalent, key selection criteria include its Fast-mode Plus (1 MHz) I²C interface, hardware addressability for up to 126 devices, active-low OE synchronization, and dual-layer PWM architecture enabling independent per-LED and global timing control.
Technical Context
The PCA9622BS,118 integrates a 25 MHz internal oscillator (no external components required), noise-filtered SDA/SCL inputs, and power-on reset logic ensuring glitch-free startup. Its register map supports Auto-Increment modes for sequential programming of 16 individual PWM registers (02h–11h), group duty cycle (12h), and group frequency (13h).
Control logic allows four output states per channel (off/on/individual PWM/group+individual PWM), selected via LEDOUT0–LEDOUT3 registers. The MODE2 register's DMBLNK bit determines whether GRPPWM/GRPFREQ configure global dimming (190 Hz) or blinking (24 Hz–10.73 s), with OE pin enabling hardware-level synchronization across multiple devices.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| I²C Interface | Fm+ compatible up to 1 MHz; 30 mA SDA drive strength supports ≥4000 pF bus capacitance |
| LED Outputs | 16 open-drain channels; each sinks 0–100 mA; tolerant to 40 V off-state voltage |
| Individual PWM | 97 kHz fixed frequency; 256-step linear duty cycle (0–99.6%) per channel |
| Group Control | 190 Hz fixed dimming OR programmable blink period (24 Hz to 10.73 s) + 0–99.6% duty cycle |
| Supply Range | 2.3 V to 5.5 V VDD; non-LED pins tolerate 5.5 V |
| Operating Temp | −40 °C to +85 °C; qualified per JEDEC JESD78 latch-up (>100 mA) |
| Addressing | 7 hardware address pins (126 devices max); 4 software-programmable I²C addresses (All Call + 3 Sub Calls) |
Pinout & Package
TSSOP32 package (SOT487-1): 32-pin plastic thin shrink small outline, 6.1 mm body width, 0.65 mm lead pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD (Pin 32) | Power supply input | 2.3–5.5 V main supply; powers internal oscillator and logic |
| VSS (Pins 1, 9, 14, 19, 24) | Ground reference | Five dedicated ground connections reduce noise and improve thermal dissipation |
| SDA (Pin 31) | I²C bidirectional data | 30 mA drive capability enables high-capacitance bus operation |
| SCL (Pin 30) | I²C clock input | Noise-filtered input supports reliable 1 MHz timing |
| OE (Pin 27) | Active-low output enable | Hardware-synchronizes all 16 outputs; enables external PWM dimming/blinking |
| A0–A6 (Pins 2–4, 5–6, 28–29) | Hardware address inputs | 7-bit binary address selects unique I²C slave address (126 possible) |
| LED0–LED15 (Pins 7–8, 10–13, 15–18, 20–23, 25–26) | Open-drain LED drivers | Each sinks up to 100 mA; 40 V tolerant for high-voltage LED strings |
Key Features
| Feature | Design Value |
|---|---|
| Software Reset (SWRST) | Full register initialization via I²C address 06h - identical to power-on reset, setting outputs HIGH (LED off) |
| Output Update Timing | Configurable to change on STOP (default) or ACK command - enables synchronized multi-device updates |
| Hot Insertion Support | Internal power sequencing and noise filtering prevent bus contention during live insertion |
| Low Standby Current | Typical 1 μA in SLEEP mode (MODE1 bit 4 = 1) - extends battery life in portable applications |
| ESD Robustness | 2000 V HBM (JESD22-A114) and 1000 V CDM (JESD22-C101) - ensures reliability in handling and assembly |
Applications
| RGB Status Indicators | Keypad Backlighting |
|---|---|
Use Scenario: Multi-color status feedback on industrial HMIs or medical device panels requiring precise color mixing and fade effects. IC Role / Device Role / Timing Role: PCA9622BS,118 drives 16 discrete RGBA LEDs with independent 97 kHz PWM per channel and synchronized group blinking for attention-grabbing alerts. Use Value: Eliminates microcontroller GPIO overhead and software PWM timing jitter while enabling smooth 256-step brightness transitions across all colors. |
Use Scenario: Uniform backlighting for membrane keypads in handheld test equipment operating from single-cell Li-ion batteries. IC Role / Device Role / Timing Role: PCA9622BS,118 delivers regulated 100 mA sink current per LED segment with 2.3 V minimum VDD support and low standby current. Use Value: Enables full keypad illumination at low battery voltage without external boost converters, extending runtime by minimizing quiescent power loss. |
| LCD Backlight Control | Marquee Display Effects |
Use Scenario: Edge-lit LCD backlight for compact instrumentation displays where thermal management and EMI are critical. IC Role / Device Role / Timing Role: PCA9622BS,118 drives parallel LED strings with 40 V tolerance, using group PWM (190 Hz) for flicker-free dimming and individual PWM for local brightness correction. Use Value: Achieves uniform luminance across display area without visible PWM artifacts, meeting IEC 62471 photobiological safety requirements. |
Use Scenario: Directional scrolling text or icon animation on consumer electronics front panels using cascaded LED arrays. IC Role / Device Role / Timing Role: PCA9622BS,118 leverages All Call (E0h) and Sub Call (E2h/E4h/E8h) addressing to update LED groups in sequence with minimal I²C commands. Use Value: Reduces firmware complexity and bus traffic - marquee effect implemented with three I²C writes instead of 48 separate register updates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LED driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PCA9635BS,118 | Same register map and software compatibility; replaces on-chip 100 mA FETs with external high-current/high-voltage drivers | Required when driving >100 mA per channel or >40 V LED strings | Select PCA9635BS,118 only if PCA9622BS,118's integrated drivers are insufficient for target LED load |
| TLC5940IPWP | 16-channel 12-bit PWM (4096 steps); 125 mA per channel; SPI interface; no group PWM or I²C addressing | Better grayscale resolution but lacks multi-device synchronization and software-configurable blink timing | Choose TLC5940IPWP when ultra-fine brightness gradation is prioritized over I²C bus scalability and hardware blink control |
Compared with PCA9622BS,118, the PCA9635BS,118 maintains identical control architecture while enabling higher-power LED loads, whereas the TLC5940IPWP trades I²C flexibility and group timing features for superior PWM resolution and raw current capability - making each suitable for distinct system-level trade-offs.
Availability
PCA9622BS,118 is available at Aetrix Electronics and suitable for RGB status indicators, keypad backlights, LCD backlight control, and marquee display applications requiring stable component supply and long-term production continuity.
Supply support for PCA9622BS,118 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and IoT applications.
The PCA9622BS,118 belongs to NXP's Fast-mode Plus LED driver family, designed specifically for scalable, low-software-overhead LED control in space-constrained human-interface systems.
FAQ
What is the maximum number of PCA9622BS,118 devices supported on a single I²C bus?
The PCA9622BS,118 supports up to 126 devices on one I²C bus using its 7 hardware address pins (A0–A6). Two addresses - Software Reset (06h) and LED All Call (E0h) - are reserved and unavailable for individual addressing, reducing the usable count from 128 to 126. Each PCA9622BS,118 must have a unique hardware address to avoid bus conflicts during write operations.
Does PCA9622BS,118 require external components for oscillator operation?
No, the PCA9622BS,118 includes an integrated 25 MHz oscillator that requires no external crystals, capacitors, or resistors. This simplifies PCB layout and reduces BOM cost. The oscillator starts within 500 μs after exiting SLEEP mode (MODE1 bit 4 = 0), and all PWM timing functions depend on this internal clock source.
How does the OE pin interact with internal group blinking on PCA9622BS,118?
The OE pin must not be used for external blinking control when DMBLNK = 1 (group blinking enabled in MODE2 register), as this creates undefined output behavior. When internal blinking is active, OE should remain static or be held HIGH to disable outputs. For synchronized blinking across multiple PCA9622BS,118 devices, use the All Call address (E0h) instead of OE.
What are the valid output states configured via LEDOUT registers on PCA9622BS,118?
The LEDOUT0–LEDOUT3 registers define four per-channel states: 00 = off (default), 01 = fully on (no PWM), 10 = individual PWM only (PWMx register), and 11 = individual + group PWM (PWMx and GRPPWM/GRPFREQ). These states determine whether group dimming/blinking applies to each LED, and are essential for mixed-mode lighting effects like pulsing icons with static backgrounds.
Can PCA9622BS,118 drive LEDs with forward voltages exceeding 5.5 V?
Yes, the PCA9622BS,118's 16 open-drain outputs are rated for 40 V off-state voltage, allowing direct connection to high-VF LED strings (e.g., 10× white LEDs at 3.2 V each = 32 V total) without external level-shifting. The VDD supply (2.3–5.5 V) powers only the logic core; LED current is sourced externally through the anodes, with PCA9622BS,118 sinking current to ground.
PCA9622BS,118 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 32-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Linear
- Topology:
- -
- Internal Switch(s):
- Yes
- Number of Outputs:
- 16
- Voltage - Supply (Min):
- 2.3V
- Voltage - Supply (Max):
- 5.5V
- Voltage - Output:
- 40V
- Current - Output / Channel:
- 100mA
- Frequency:
- 100kHz ~ 1MHz
- Dimming:
- PWM
- Applications:
- Backlight
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-HVQFN (5x5)
PCA9622BS,118 FAQ
1.How can I place an order for PCA9622BS,118 through Aetrix?
Please submit a Request for Quotation (RFQ) for PCA9622BS,118 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for PCA9622BS,118 reliable?
The price and inventory of PCA9622BS,118 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PCA9622BS,118 is usually 5 days.
3.What payment methods are accepted for PCA9622BS,118?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PCA9622BS,118 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PCA9622BS,118?
PCA9622BS,118 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PCA9622BS,118 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for PCA9622BS,118?
For technical support, including PCA9622BS,118 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PCA9622BS,118 requirements.
6.How does Aetrix verify that PCA9622BS,118 is sourced from the original manufacturer or authorized distributors?
All PCA9622BS,118 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that PCA9622BS,118 meets industry standards.
7.What is the process for return or replacement of PCA9622BS,118?
All PCA9622BS,118 units undergo pre-shipment inspection (PSI). If there is an issue with PCA9622BS,118, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The PCA9622BS,118 part is unused and in its original packaging.
Return procedure for PCA9622BS,118:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PCA9622BS,118 Tags
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BCR430UXTSA2
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BCR420UE6433HTMA1
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LYT1604D-TL
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HV9910CLG-G
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CL2N8-G
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BCR420UW6-7
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BCR421UW6-7
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BCR420UFD-7
Diodes Incorporated
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BCR421UFD-7
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