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NXP Semiconductors Electronic Components Datasheet

NXQ1TXL5 Datasheet

compliant transmitter

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NXQ1TXL5
Low-cost one-chip 5 V Qi compliant transmitter
Rev. 1 — 8 April 2016
Product short data sheet
1. General description
The NXQ1TXL5 is a controller and driver IC for a low-cost 5 V Qi-compliant low-power
wireless charger. It offers a fully integrated solution that includes a 5 V full-bridge power
stage, as defined in Wireless Power Consortium (WPC) 5 V Qi standards A5, A11, A12
and A16.
The NXQ1TXL5 uses a dedicated analog ping circuitry to detect devices. With this analog
ping circuitry, an extremely low standby (wait state) power consumption is achieved.
When a Qi-compliant receiver is placed, the NXQ1TXL5 starts to communicate with it.
After the receiver is recognized, it safely initiates wireless power transfer from the
transmitter to the receiver. The device is optimized to operate from a 5 V USB power
supply and uses Smart Power Limiting (SPL) to adjust the output power automatically to
compensate for power-limited supplies. This low-cost version of the fully integrated NXP
Qi-compliant wireless power transmitted does not support Foreign Object Detection
(FOD).
To indicate the charging status or standby status, the NXQ1TXL5 has two LED outputs for
the user interface.
The NXQ1TXL5 is available in a 5 mm 5 mm, 32-pin HVQFN package.
2. Features and benefits
Single-chip WPC Qi-compliant device for A5/A11/A12/A16 5 V single-coil low-power
transmitter
Operates from 5 V supply
Integrated high efficiency full-bridge power stage with low EMI radiation meeting
EN55022 radiated and conducted emission limits
Very few external components required, minimizing cost and board space
Extremely low-power receiver detection circuitry by integrating an analog ping circuit;
standby (wait state) power 10 mW (typical)
Power stage protected against overcurrents and overtemperature
Dual-channel ASK demodulation
Demodulates communication packets from Qi-compliant receivers
PID regulation for power drive and control
Internal 1.8 V digital supply generation
Two LED outputs


NXP Semiconductors Electronic Components Datasheet

NXQ1TXL5 Datasheet

compliant transmitter

No Preview Available !

NXP Semiconductors
NXQ1TXL5
Low-cost one-chip 5 V Qi compliant transmitter
On-chip thermal protection
Small HVQFN 32-pin package (5 mm 5 mm) with 0.5 mm pitch
Peak efficiency > 75 %
Excellent low power (< 2 W) transfer efficiency. Ideal for charging wearables
3. Applications
Wireless Power Consortium (WPC) Qi-compliant wireless power transmitters
Wireless charger for (smart)phones, toys, shavers, pads, and other handheld devices
High-efficiency low-power wireless charger for smartwatches and other wearables
4. Quick reference data
Table 1.
Symbol
VDDP
IDDP
Quick reference data
Parameter
power supply voltage
power supply current
Conditions
on pins VDDP1 and VDDP2
on pins VDDP1 and VDDP2
wait state (average current)
power transfer state (no load)
power transfer state (with load)
Min Typ Max Unit
3.4 -
5.25 V
-
2
-
mA
-
15 -
mA
-
1.5 5[1]
A
[1] The maximum average current is 2 A. However, when removing the receiver, the power stage current protection limits the peak current
at 5 A.
5. Ordering information
Table 2. Ordering information
Type number Package
Name
Description
NXQ1TXL5
HVQFN32
plastic thermal enhanced very thin quad flat package; no leads;
32 terminals; body 5 5 0.85 mm
Version
SOT617-3
5.1 Ordering options
Table 3. Ordering options
Type number Orderable part
number
NXQ1TXL5 NXQ1TXL5/101J
Package Packing method
HVQFN32 reel 13" Q1/T1,
*standard mark SMD
non-dry-pack
Minimum
Temperature
ordering quantity
6000
Tamb = 20 C to +85 C
NXQ1TXL5
Product short data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 8 April 2016
© NXP Semiconductors N.V. 2016. All rights reserved.
2 of 17


Part Number NXQ1TXL5
Description compliant transmitter
Maker NXP
Total Page 3 Pages
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