BQ51050BYFPR
bq5105xB High-Efficiency Qi v1.2-Compliant Wireless Power Receiver and Battery Charger
The BQ51050BYFPR is an electronic component from Texas Instruments. bq5105xB High-Efficiency Qi v1.2-Compliant Wireless Power Receiver and Battery Charger. View the full BQ51050BYFPR datasheet below including electrical characteristics, absolute maximum ratings.
Manufacturer
Texas Instruments
Overview
Part: Texas Instruments bq51050B, bq51051B, bq51052B
Type: Qi v1.2-Compliant Wireless Power Receiver and Li-Ion/Li-Pol Battery Charger
Key Specs:
- Output Voltage Options: 4.20-V, 4.35-V, 4.40-V
- Charging Current: up to 1.5 A
- Peak AC-DC Charging Efficiency: 93%
- Maximum Input Voltage Tolerance: 20-V
Features:
- Single-Stage Wireless Power Receiver and Li-Ion/Li-Pol Battery Charger
- Combines Wireless Power Receiver, Rectifier, and Battery Charger in a Single, Small Package
- Robust Architecture
- 20-V Maximum Input Voltage Tolerance, With Input Overvoltage Protection
- Thermal Shutdown and Overcurrent Protection
- Temperature Monitoring and Fault Detection
- Compatible With WPC v1.2 Qi Industry Standard
- Power Stage Output Tracks Rectifier and Battery Voltage to Ensure Maximum Efficiency Across the Full Charge Cycle
- Available in Small DSGBA and VQFN Packages
Applications:
- Battery Packs
- Cell Phones and Smart Phones
- Headsets
- Portable Media Players
- Other Handheld Devices
Package:
- VQFN (20): 4.50 mm × 3.50 mm
- DSBGA (28): 3.00 mm × 1.90 mm
Features
- 1 Single-Stage Wireless Power Receiver and Li-Ion/Li-Pol Battery Charger
- Combines Wireless Power Receiver, Rectifier, and Battery Charger in a Single, Small Package
- 4.20-V, 4.35-V, and 4.40-V Output Voltage Options
- Supports a Charging Current up to 1.5 A
- 93% Peak AC-DC Charging Efficiency
- • Robust Architecture
- 20-V Maximum Input Voltage Tolerance, With Input Overvoltage Protection
- Thermal Shutdown and Overcurrent Protection
- Temperature Monitoring and Fault Detection
- Compatible With WPC v1.2 Qi Industry Standard
- Power Stage Output Tracks Rectifier and Battery Voltage to Ensure Maximum Efficiency Across the Full Charge Cycle
- • Available in Small DSGBA and VQFN Packages
Applications
- Battery Packs
- Cell Phones and Smart Phones
- Headsets
- • Portable Media Players
- • Other Handheld Devices
Pin Configuration
YFP Package 28-Pin DSBGA
The exposed thermal pad should be connected to ground.
4
www.ti.com SLUSB42F –JULY 2012–REVISED JUNE 2017
Pin Functions
- AC1
- AC2
- AD
- AD-EN
- BAT
- BOOT1
- BOOT2
- CHG
- CLAMP1
- CLAMP2
- COMM1
- COMM2
- EN2
- FOD
- ILIM
- PGND
- RECT
- TERM
- Thermal Pad
- TS/CTRL
SLUSB42F –JULY 2012–REVISED JUNE 2017 www.ti.com
Electrical Characteristics
Over junction temperature range 0°C ≤ TJ ≤ 125°C and recommended supply voltage (unless otherwise noted)
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | ||
|---|---|---|---|---|---|---|---|
| VUVLO | Undervoltage lockout | VRECT: 0 V → 3 V | 2.6 | 2.7 | 2.8 | V | |
| VHYS-UVLO | Hysteresis on UVLO | VRECT: 3 V → 2 V | 250 | mV | |||
| VOVP | Input overvoltage threshold | VRECT: 5 V → 16 V | 14.5 | 15 | 15.5 | V | |
| VHYS-OVP | Hysteresis on OVP | VRECT: 16 V → 5 V | 150 | mV | |||
| (1) VRECT-REG | VRECT regulation voltage | 5.11 | V | ||||
| ILOAD | ILOAD Hysteresis for dynamic VRECT thresholds as a % of IILIM | ILOAD falling | 5% | ||||
| VTRACK | Tracking VRECT regulation above VBAT | VBAT = 3.5 V, IBAT ≥ 500 mA | 300 | mV | |||
| VRECT-REV | Rectifier reverse voltage protection at the BAT(output) | VRECT-REV = VBAT – VRECT, VBAT = 10 V | 8.3 | 9 | V | ||
| VRECT-DPM | Rectifier undervoltage protection, restricts IBAT at VRECT-DPM | 3 | 3.1 | 3.2 | V | ||
| QUIESCENT CURRENT | |||||||
| Active chip quiescent current consumption from RECT | IBAT = 0 mA, 0°C ≤ TJ ≤ 85°C | 8 | 10 | mA | |||
| IRECT | (when wireless power is present) | IBAT = 300 mA, 0°C ≤ TJ ≤ 85°C | 2 | 3 | mA | ||
| IQ | Quiescent current at the BAT when wireless power is disabled (Standby) ILIM SHORT PROTECTION | VBAT = 4.2 V, 0°C ≤ TJ ≤ 85°C | 12 | 20 | μA | ||
| RILIM-SHORT | Highest value of ILIM resistor considered a fault (short). | RILIM: 200 Ω → 50 Ω. IBAT latches off, cycle power to | bq51050B, bq51051B | 120 | Ω | ||
| Monitored for IBAT > ILIM_SHORT, OK | reset | bq51052B | 235 | ||||
| tDGL-Short | Deglitch time transition from ILIM short to IBAT disable | 1 | ms | ||||
| ILIM_SHORT, | ILIM-SHORT,OK enables the IILIM short comparator when | IBAT: 0 mA → 200 mA | bq51050B, bq51051B | 110 | 145 | 165 | mA |
| OK | IBAT is greater than this value | bq51052B | 55 | 75 | 95 | ||
| ILIM-SHORT, OK HYSTERESIS | Hysteresis for ILIM-SHORT,OK comparator | IBAT: 200 mA → 0 mA | 30 | mA | |||
| IBAT-CL | Maximum output current limit BATTERY SHORT PROTECTION | Maximum IBAT that will be delivered for up to 1 ms when ILIM is shorted to PGND | 2.4 | A | |||
| VBAT(SC) | BAT pin short-circuit detection/precharge threshold | VBAT: 3 V → 0.5 V, no deglitch | 0.75 | 0.8 | 0.85 | V | |
| VBAT(SC)-HYS | VBAT(SC) hysteresis | VBAT: 0.5 V → 3 V | 100 | mV | |||
| IBAT(SC) | Source current to BAT pin during short-circuit detection | VBAT = 0 V | bq51050B, bq51051B | 12 | 18 | 22 | mA |
| VOLTAGE REGULATION PHASE | bq51052B | 12 | 18 | 25 | |||
| IEndTrack | IBAT decreasing | bq51050B, | 0.35 * | ||||
| IBAT threshold during Voltge Regulation Phase that changes VRECT level from VBAT+VTRACK to VRECT-REG | bq51051B bq51052B | IBULK 0.05 * IBULK | mA |
SLUSB42F –JULY 2012–REVISED JUNE 2017 www.ti.com
Absolute Maximum Ratings
over operating free-air temperature range (unless otherwise noted)
| MIN | MAX | UNIT | ||
|---|---|---|---|---|
| RECT, COMM1, COMM2, BAT, CHG, CLAMP1, CLAMP2 | –0.3 | 20 | V | |
| AC1, AC2 | –0.8 | 20 | V | |
| Input voltage | AD, AD-EN | –0.3 | 30 | V |
| BOOT1, BOOT2 | –0.3 | 26 | V | |
| EN2, TERM, FOD, TS/CTRL, ILIM | –0.3 | 7 | V | |
| Input current | AC1, AC2 | 2 | A(RMS) | |
| Output current | BAT | 1.5 | A | |
| Output sink current | CHG | 15 | mA | |
| COMM1, COMM2 | 1.0 | A | ||
| Junction temperature, TJ | –40 | 150 | °C | |
| Storage temperature, Tstg | –65 | 150 | °C |
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) All voltages are with respect to the VSS terminal, unless otherwise noted.
Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
| MIN | MAX | UNIT | ||||
|---|---|---|---|---|---|---|
| VIN | Input voltage range | RECT | 4 | 10 | V | |
| IIN | Input current | Internal Rectifier (voltage monitored at RECT node) | 1.5 | A | ||
| IBAT | BAT(output) current | BAT | bq51050B, bq51051B bq51052B | 1.5 0.8 | A A | |
| VAD | Adapter voltage | AD | 15 | V | ||
| IAD-EN | Sink current | AD-EN | 1 | mA | ||
| ICOMM | COMM sink current | COMM | 500 | mA | ||
| TJ | Junction temperature | 0 | 125 | °C |
Thermal Information
| THERMAL METRIC(1) | YFP (DSGBA) | RHL (VQFN) | UNIT | |
|---|---|---|---|---|
| 28 PINS | 20 PINS | |||
| RθJA | Junction-to-ambient thermal resistance | 58.9 | 37.7 | °C/W |
| RθJC(top) | Junction-to-case (top) thermal resistance | 0.2 | 35.5 | °C/W |
| RθJB | Junction-to-board thermal resistance | 9.1 | 13.6 | °C/W |
| ψJT | Junction-to- |
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report.
Typical Application
Package Information
VQFN - 1 mm max height RHL0020A
PLASTIC QUAD FLATPACK- NO LEAD
- per ASME Y14.5M.
Related Variants
The following components are covered by the same datasheet.
| Part Number | Manufacturer | Package |
|---|---|---|
| BQ51050B | Texas Instruments | — |
| BQ51050BRHLR | Texas Instruments | — |
| BQ51050BRHLR.A | Texas Instruments | — |
| BQ51050BRHLT | Texas Instruments | VQFN (20) |
| BQ51050BRHLT.A | Texas Instruments | — |
| BQ51050BYFPR.A | Texas Instruments | — |
| BQ51050BYFPR.B | Texas Instruments | — |
| BQ51050BYFPT | Texas Instruments | — |
| BQ51050BYFPT.A | Texas Instruments | — |
| BQ51050BYFPT.B | Texas Instruments | — |
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